20121261300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6781}}^1$

素因数の和:6968

約数の個数: 288

約数和(自身を含む): 74408848640

約数和(自身を除く): 54287587340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 157, 175, 180, 189, 210, 225, 252, 270, 300, 314, 315, 350, 378, 420, 450, 471, 525, 540, 628, 630, 675, 700, 756, 785, 900, 942, 945, 1050, 1099, 1260, 1350, 1413, 1570, 1575, 1884, 1890, 2100, 2198, 2355, 2700, 2826, 3140, 3150, 3297, 3780, 3925, 4239, 4396, 4710, 4725, 5495, 5652, 6300, 6594, 6781, 7065, 7850, 8478, 9420, 9450, 9891, 10990, 11775, 13188, 13562, 14130, 15700, 16485, 16956, 18900, 19782, 20343, 21195, 21980, 23550, 27124, 27475, 28260, 29673, 32970, 33905, 35325, 39564, 40686, 42390, 47100, 47467, 49455, 54950, 59346, 61029, 65940, 67810, 70650, 81372, 82425, 84780, 94934, 98910, 101715, 105975, 109900, 118692, 122058, 135620, 141300, 142401, 148365, 164850, 169525, 183087, 189868, 197820, 203430, 211950, 237335, 244116, 247275, 284802, 296730, 305145, 329700, 339050, 366174, 406860, 423900, 427203, 474670, 494550, 508575, 569604, 593460, 610290, 678100, 712005, 732348, 741825, 854406, 915435, 949340, 989100, 1017150, 1064617, 1186675, 1220580, 1281609, 1424010, 1483650, 1525725, 1708812, 1830870, 2034300, 2129234, 2136015, 2373350, 2563218, 2848020, 2967300, 3051450, 3193851, 3560025, 3661740, 4258468, 4272030, 4577175, 4746700, 5126436, 5323085, 6102900, 6387702, 6408045, 7120050, 7452319, 8544060, 9154350, 9581553, 10646170, 10680075, 12775404, 12816090, 14240100, 14904638, 15969255, 18308700, 19163106, 21292340, 21360150, 22356957, 25632180, 26615425, 28744659, 29809276, 31938510, 32040225, 37261595, 38326212, 42720300, 44713914, 47907765, 53230850, 57489318, 63877020, 64080450, 67070871, 74523190, 79846275, 89427828, 95815530, 106461700, 111784785, 114978636, 128160900, 134141742, 143723295, 149046380, 159692550, 186307975, 191631060, 201212613, 223569570, 239538825, 268283484, 287446590, 319385100, 335354355, 372615950, 402425226, 447139140, 479077650, 558923925, 574893180, 670708710, 718616475, 745231900, 804850452, 958155300, 1006063065, 1117847850, 1341417420, 1437232950, 1676771775, 2012126130, 2235695700, 2874465900, 3353543550, 4024252260, 5030315325, 6707087100, 10060630650, 20121261300]

約数ペア:

[(1, 20121261300), (2, 10060630650), (3, 6707087100), (4, 5030315325), (5, 4024252260), (6, 3353543550), (7, 2874465900), (9, 2235695700), (10, 2012126130), (12, 1676771775), (14, 1437232950), (15, 1341417420), (18, 1117847850), (20, 1006063065), (21, 958155300), (25, 804850452), (27, 745231900), (28, 718616475), (30, 670708710), (35, 574893180), (36, 558923925), (42, 479077650), (45, 447139140), (50, 402425226), (54, 372615950), (60, 335354355), (63, 319385100), (70, 287446590), (75, 268283484), (84, 239538825), (90, 223569570), (100, 201212613), (105, 191631060), (108, 186307975), (126, 159692550), (135, 149046380), (140, 143723295), (150, 134141742), (157, 128160900), (175, 114978636), (180, 111784785), (189, 106461700), (210, 95815530), (225, 89427828), (252, 79846275), (270, 74523190), (300, 67070871), (314, 64080450), (315, 63877020), (350, 57489318), (378, 53230850), (420, 47907765), (450, 44713914), (471, 42720300), (525, 38326212), (540, 37261595), (628, 32040225), (630, 31938510), (675, 29809276), (700, 28744659), (756, 26615425), (785, 25632180), (900, 22356957), (942, 21360150), (945, 21292340), (1050, 19163106), (1099, 18308700), (1260, 15969255), (1350, 14904638), (1413, 14240100), (1570, 12816090), (1575, 12775404), (1884, 10680075), (1890, 10646170), (2100, 9581553), (2198, 9154350), (2355, 8544060), (2700, 7452319), (2826, 7120050), (3140, 6408045), (3150, 6387702), (3297, 6102900), (3780, 5323085), (3925, 5126436), (4239, 4746700), (4396, 4577175), (4710, 4272030), (4725, 4258468), (5495, 3661740), (5652, 3560025), (6300, 3193851), (6594, 3051450), (6781, 2967300), (7065, 2848020), (7850, 2563218), (8478, 2373350), (9420, 2136015), (9450, 2129234), (9891, 2034300), (10990, 1830870), (11775, 1708812), (13188, 1525725), (13562, 1483650), (14130, 1424010), (15700, 1281609), (16485, 1220580), (16956, 1186675), (18900, 1064617), (19782, 1017150), (20343, 989100), (21195, 949340), (21980, 915435), (23550, 854406), (27124, 741825), (27475, 732348), (28260, 712005), (29673, 678100), (32970, 610290), (33905, 593460), (35325, 569604), (39564, 508575), (40686, 494550), (42390, 474670), (47100, 427203), (47467, 423900), (49455, 406860), (54950, 366174), (59346, 339050), (61029, 329700), (65940, 305145), (67810, 296730), (70650, 284802), (81372, 247275), (82425, 244116), (84780, 237335), (94934, 211950), (98910, 203430), (101715, 197820), (105975, 189868), (109900, 183087), (118692, 169525), (122058, 164850), (135620, 148365), (141300, 142401)]