215918100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 216

約数和(自身を含む): 714954240

約数和(自身を除く): 499036140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 71, 75, 90, 93, 100, 109, 124, 142, 150, 155, 180, 186, 213, 218, 225, 279, 284, 300, 310, 327, 355, 372, 426, 436, 450, 465, 545, 558, 620, 639, 654, 710, 775, 852, 900, 930, 981, 1065, 1090, 1116, 1278, 1308, 1395, 1420, 1550, 1635, 1775, 1860, 1962, 2130, 2180, 2201, 2325, 2556, 2725, 2790, 3100, 3195, 3270, 3379, 3550, 3924, 4260, 4402, 4650, 4905, 5325, 5450, 5580, 6390, 6540, 6603, 6758, 6975, 7100, 7739, 8175, 8804, 9300, 9810, 10137, 10650, 10900, 11005, 12780, 13206, 13516, 13950, 15478, 15975, 16350, 16895, 19620, 19809, 20274, 21300, 22010, 23217, 24525, 26412, 27900, 30411, 30956, 31950, 32700, 33015, 33790, 38695, 39618, 40548, 44020, 46434, 49050, 50685, 55025, 60822, 63900, 66030, 67580, 69651, 77390, 79236, 84475, 92868, 98100, 99045, 101370, 110050, 116085, 121644, 132060, 139302, 152055, 154780, 165075, 168950, 193475, 198090, 202740, 220100, 232170, 239909, 253425, 278604, 304110, 330150, 337900, 348255, 386950, 396180, 464340, 479818, 495225, 506850, 580425, 608220, 660300, 696510, 719727, 760275, 773900, 959636, 990450, 1013700, 1160850, 1199545, 1393020, 1439454, 1520550, 1741275, 1980900, 2159181, 2321700, 2399090, 2878908, 3041100, 3482550, 3598635, 4318362, 4798180, 5997725, 6965100, 7197270, 8636724, 10795905, 11995450, 14394540, 17993175, 21591810, 23990900, 35986350, 43183620, 53979525, 71972700, 107959050, 215918100]

約数ペア:

[(1, 215918100), (2, 107959050), (3, 71972700), (4, 53979525), (5, 43183620), (6, 35986350), (9, 23990900), (10, 21591810), (12, 17993175), (15, 14394540), (18, 11995450), (20, 10795905), (25, 8636724), (30, 7197270), (31, 6965100), (36, 5997725), (45, 4798180), (50, 4318362), (60, 3598635), (62, 3482550), (71, 3041100), (75, 2878908), (90, 2399090), (93, 2321700), (100, 2159181), (109, 1980900), (124, 1741275), (142, 1520550), (150, 1439454), (155, 1393020), (180, 1199545), (186, 1160850), (213, 1013700), (218, 990450), (225, 959636), (279, 773900), (284, 760275), (300, 719727), (310, 696510), (327, 660300), (355, 608220), (372, 580425), (426, 506850), (436, 495225), (450, 479818), (465, 464340), (545, 396180), (558, 386950), (620, 348255), (639, 337900), (654, 330150), (710, 304110), (775, 278604), (852, 253425), (900, 239909), (930, 232170), (981, 220100), (1065, 202740), (1090, 198090), (1116, 193475), (1278, 168950), (1308, 165075), (1395, 154780), (1420, 152055), (1550, 139302), (1635, 132060), (1775, 121644), (1860, 116085), (1962, 110050), (2130, 101370), (2180, 99045), (2201, 98100), (2325, 92868), (2556, 84475), (2725, 79236), (2790, 77390), (3100, 69651), (3195, 67580), (3270, 66030), (3379, 63900), (3550, 60822), (3924, 55025), (4260, 50685), (4402, 49050), (4650, 46434), (4905, 44020), (5325, 40548), (5450, 39618), (5580, 38695), (6390, 33790), (6540, 33015), (6603, 32700), (6758, 31950), (6975, 30956), (7100, 30411), (7739, 27900), (8175, 26412), (8804, 24525), (9300, 23217), (9810, 22010), (10137, 21300), (10650, 20274), (10900, 19809), (11005, 19620), (12780, 16895), (13206, 16350), (13516, 15975), (13950, 15478)]