320425560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9781}}^1$

素因数の和:9818

約数の個数: 192

約数和(自身を含む): 1281833280

約数和(自身を除く): 961407720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 9781, 10920, 16380, 19562, 29343, 32760, 39124, 48905, 58686, 68467, 78248, 88029, 97810, 117372, 127153, 136934, 146715, 176058, 195620, 205401, 234744, 254306, 273868, 293430, 342335, 352116, 381459, 391240, 410802, 440145, 508612, 547736, 586860, 616203, 635765, 684670, 704232, 762918, 821604, 880290, 890071, 1017224, 1027005, 1144377, 1173720, 1232406, 1271530, 1369340, 1525836, 1643208, 1760580, 1780142, 1907295, 2054010, 2288754, 2464812, 2543060, 2670213, 2738680, 3051672, 3081015, 3521160, 3560284, 3814590, 4108020, 4450355, 4577508, 4929624, 5086120, 5340426, 5721885, 6162030, 7120568, 7629180, 8010639, 8216040, 8900710, 9155016, 10680852, 11443770, 12324060, 13351065, 15258360, 16021278, 17801420, 21361704, 22887540, 24648120, 26702130, 32042556, 35602840, 40053195, 45775080, 53404260, 64085112, 80106390, 106808520, 160212780, 320425560]

約数ペア:

[(1, 320425560), (2, 160212780), (3, 106808520), (4, 80106390), (5, 64085112), (6, 53404260), (7, 45775080), (8, 40053195), (9, 35602840), (10, 32042556), (12, 26702130), (13, 24648120), (14, 22887540), (15, 21361704), (18, 17801420), (20, 16021278), (21, 15258360), (24, 13351065), (26, 12324060), (28, 11443770), (30, 10680852), (35, 9155016), (36, 8900710), (39, 8216040), (40, 8010639), (42, 7629180), (45, 7120568), (52, 6162030), (56, 5721885), (60, 5340426), (63, 5086120), (65, 4929624), (70, 4577508), (72, 4450355), (78, 4108020), (84, 3814590), (90, 3560284), (91, 3521160), (104, 3081015), (105, 3051672), (117, 2738680), (120, 2670213), (126, 2543060), (130, 2464812), (140, 2288754), (156, 2054010), (168, 1907295), (180, 1780142), (182, 1760580), (195, 1643208), (210, 1525836), (234, 1369340), (252, 1271530), (260, 1232406), (273, 1173720), (280, 1144377), (312, 1027005), (315, 1017224), (360, 890071), (364, 880290), (390, 821604), (420, 762918), (455, 704232), (468, 684670), (504, 635765), (520, 616203), (546, 586860), (585, 547736), (630, 508612), (728, 440145), (780, 410802), (819, 391240), (840, 381459), (910, 352116), (936, 342335), (1092, 293430), (1170, 273868), (1260, 254306), (1365, 234744), (1560, 205401), (1638, 195620), (1820, 176058), (2184, 146715), (2340, 136934), (2520, 127153), (2730, 117372), (3276, 97810), (3640, 88029), (4095, 78248), (4680, 68467), (5460, 58686), (6552, 48905), (8190, 39124), (9781, 32760), (10920, 29343), (16380, 19562)]