261888900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 288

約数和(自身を含む): 955438848

約数和(自身を除く): 693549948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 53, 60, 65, 70, 75, 78, 84, 91, 100, 105, 106, 130, 140, 150, 156, 159, 175, 181, 182, 195, 210, 212, 260, 265, 273, 300, 318, 325, 350, 362, 364, 371, 390, 420, 455, 525, 530, 543, 546, 636, 650, 689, 700, 724, 742, 780, 795, 905, 910, 975, 1050, 1060, 1086, 1092, 1113, 1267, 1300, 1325, 1365, 1378, 1484, 1590, 1810, 1820, 1855, 1950, 2067, 2100, 2172, 2226, 2275, 2353, 2534, 2650, 2715, 2730, 2756, 3180, 3445, 3620, 3710, 3801, 3900, 3975, 4134, 4452, 4525, 4550, 4706, 4823, 5068, 5300, 5430, 5460, 5565, 6335, 6825, 6890, 7059, 7420, 7602, 7950, 8268, 9050, 9100, 9275, 9412, 9593, 9646, 10335, 10860, 11130, 11765, 12670, 13575, 13650, 13780, 14118, 14469, 15204, 15900, 16471, 17225, 18100, 18550, 19005, 19186, 19292, 20670, 22260, 23530, 24115, 25340, 27150, 27300, 27825, 28236, 28779, 28938, 31675, 32942, 34450, 35295, 37100, 38010, 38372, 41340, 47060, 47965, 48230, 49413, 51675, 54300, 55650, 57558, 57876, 58825, 63350, 65884, 67151, 68900, 70590, 72345, 76020, 82355, 95025, 95930, 96460, 98826, 103350, 111300, 115116, 117650, 120575, 124709, 126700, 134302, 141180, 143895, 144690, 164710, 176475, 190050, 191860, 197652, 201453, 206700, 235300, 239825, 241150, 247065, 249418, 268604, 287790, 289380, 329420, 335755, 352950, 361725, 374127, 380100, 402906, 411775, 479650, 482300, 494130, 498836, 575580, 623545, 671510, 705900, 719475, 723450, 748254, 805812, 823550, 872963, 959300, 988260, 1007265, 1235325, 1247090, 1343020, 1438950, 1446900, 1496508, 1647100, 1678775, 1745926, 1870635, 2014530, 2470650, 2494180, 2618889, 2877900, 3117725, 3357550, 3491852, 3741270, 4029060, 4364815, 4941300, 5036325, 5237778, 6235450, 6715100, 7482540, 8729630, 9353175, 10072650, 10475556, 12470900, 13094445, 17459260, 18706350, 20145300, 21824075, 26188890, 37412700, 43648150, 52377780, 65472225, 87296300, 130944450, 261888900]

約数ペア:

[(1, 261888900), (2, 130944450), (3, 87296300), (4, 65472225), (5, 52377780), (6, 43648150), (7, 37412700), (10, 26188890), (12, 21824075), (13, 20145300), (14, 18706350), (15, 17459260), (20, 13094445), (21, 12470900), (25, 10475556), (26, 10072650), (28, 9353175), (30, 8729630), (35, 7482540), (39, 6715100), (42, 6235450), (50, 5237778), (52, 5036325), (53, 4941300), (60, 4364815), (65, 4029060), (70, 3741270), (75, 3491852), (78, 3357550), (84, 3117725), (91, 2877900), (100, 2618889), (105, 2494180), (106, 2470650), (130, 2014530), (140, 1870635), (150, 1745926), (156, 1678775), (159, 1647100), (175, 1496508), (181, 1446900), (182, 1438950), (195, 1343020), (210, 1247090), (212, 1235325), (260, 1007265), (265, 988260), (273, 959300), (300, 872963), (318, 823550), (325, 805812), (350, 748254), (362, 723450), (364, 719475), (371, 705900), (390, 671510), (420, 623545), (455, 575580), (525, 498836), (530, 494130), (543, 482300), (546, 479650), (636, 411775), (650, 402906), (689, 380100), (700, 374127), (724, 361725), (742, 352950), (780, 335755), (795, 329420), (905, 289380), (910, 287790), (975, 268604), (1050, 249418), (1060, 247065), (1086, 241150), (1092, 239825), (1113, 235300), (1267, 206700), (1300, 201453), (1325, 197652), (1365, 191860), (1378, 190050), (1484, 176475), (1590, 164710), (1810, 144690), (1820, 143895), (1855, 141180), (1950, 134302), (2067, 126700), (2100, 124709), (2172, 120575), (2226, 117650), (2275, 115116), (2353, 111300), (2534, 103350), (2650, 98826), (2715, 96460), (2730, 95930), (2756, 95025), (3180, 82355), (3445, 76020), (3620, 72345), (3710, 70590), (3801, 68900), (3900, 67151), (3975, 65884), (4134, 63350), (4452, 58825), (4525, 57876), (4550, 57558), (4706, 55650), (4823, 54300), (5068, 51675), (5300, 49413), (5430, 48230), (5460, 47965), (5565, 47060), (6335, 41340), (6825, 38372), (6890, 38010), (7059, 37100), (7420, 35295), (7602, 34450), (7950, 32942), (8268, 31675), (9050, 28938), (9100, 28779), (9275, 28236), (9412, 27825), (9593, 27300), (9646, 27150), (10335, 25340), (10860, 24115), (11130, 23530), (11765, 22260), (12670, 20670), (13575, 19292), (13650, 19186), (13780, 19005), (14118, 18550), (14469, 18100), (15204, 17225), (15900, 16471)]