20128623120

素因数分解:

$2^4\times 3^{10}\times 5^1\times {\mathrm{4261}}^1$

素因数の和:4304

約数の個数: 220

約数和(自身を含む): 70214651436

約数和(自身を除く): 50086028316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2187, 2430, 2916, 3240, 3645, 3888, 4261, 4374, 4860, 5832, 6480, 6561, 7290, 8522, 8748, 9720, 10935, 11664, 12783, 13122, 14580, 17044, 17496, 19440, 19683, 21305, 21870, 25566, 26244, 29160, 32805, 34088, 34992, 38349, 39366, 42610, 43740, 51132, 52488, 58320, 59049, 63915, 65610, 68176, 76698, 78732, 85220, 87480, 98415, 102264, 104976, 115047, 118098, 127830, 131220, 153396, 157464, 170440, 174960, 191745, 196830, 204528, 230094, 236196, 255660, 262440, 295245, 306792, 314928, 340880, 345141, 383490, 393660, 460188, 472392, 511320, 524880, 575235, 590490, 613584, 690282, 766980, 787320, 920376, 944784, 1022640, 1035423, 1150470, 1180980, 1380564, 1533960, 1574640, 1725705, 1840752, 2070846, 2300940, 2361960, 2761128, 3067920, 3106269, 3451410, 4141692, 4601880, 4723920, 5177115, 5522256, 6212538, 6902820, 8283384, 9203760, 9318807, 10354230, 12425076, 13805640, 15531345, 16566768, 18637614, 20708460, 24850152, 27611280, 27956421, 31062690, 37275228, 41416920, 46594035, 49700304, 55912842, 62125380, 74550456, 82833840, 83869263, 93188070, 111825684, 124250760, 139782105, 149100912, 167738526, 186376140, 223651368, 248501520, 251607789, 279564210, 335477052, 372752280, 419346315, 447302736, 503215578, 559128420, 670954104, 745504560, 838692630, 1006431156, 1118256840, 1258038945, 1341908208, 1677385260, 2012862312, 2236513680, 2516077890, 3354770520, 4025724624, 5032155780, 6709541040, 10064311560, 20128623120]

約数ペア:

[(1, 20128623120), (2, 10064311560), (3, 6709541040), (4, 5032155780), (5, 4025724624), (6, 3354770520), (8, 2516077890), (9, 2236513680), (10, 2012862312), (12, 1677385260), (15, 1341908208), (16, 1258038945), (18, 1118256840), (20, 1006431156), (24, 838692630), (27, 745504560), (30, 670954104), (36, 559128420), (40, 503215578), (45, 447302736), (48, 419346315), (54, 372752280), (60, 335477052), (72, 279564210), (80, 251607789), (81, 248501520), (90, 223651368), (108, 186376140), (120, 167738526), (135, 149100912), (144, 139782105), (162, 124250760), (180, 111825684), (216, 93188070), (240, 83869263), (243, 82833840), (270, 74550456), (324, 62125380), (360, 55912842), (405, 49700304), (432, 46594035), (486, 41416920), (540, 37275228), (648, 31062690), (720, 27956421), (729, 27611280), (810, 24850152), (972, 20708460), (1080, 18637614), (1215, 16566768), (1296, 15531345), (1458, 13805640), (1620, 12425076), (1944, 10354230), (2160, 9318807), (2187, 9203760), (2430, 8283384), (2916, 6902820), (3240, 6212538), (3645, 5522256), (3888, 5177115), (4261, 4723920), (4374, 4601880), (4860, 4141692), (5832, 3451410), (6480, 3106269), (6561, 3067920), (7290, 2761128), (8522, 2361960), (8748, 2300940), (9720, 2070846), (10935, 1840752), (11664, 1725705), (12783, 1574640), (13122, 1533960), (14580, 1380564), (17044, 1180980), (17496, 1150470), (19440, 1035423), (19683, 1022640), (21305, 944784), (21870, 920376), (25566, 787320), (26244, 766980), (29160, 690282), (32805, 613584), (34088, 590490), (34992, 575235), (38349, 524880), (39366, 511320), (42610, 472392), (43740, 460188), (51132, 393660), (52488, 383490), (58320, 345141), (59049, 340880), (63915, 314928), (65610, 306792), (68176, 295245), (76698, 262440), (78732, 255660), (85220, 236196), (87480, 230094), (98415, 204528), (102264, 196830), (104976, 191745), (115047, 174960), (118098, 170440), (127830, 157464), (131220, 153396)]