20521259280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{2423}}^1$

素因数の和:3755

約数の個数: 200

約数和(自身を含む): 71357343552

約数和(自身を除く): 50836084272

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1307, 1620, 2160, 2423, 2614, 3240, 3921, 4846, 5228, 6480, 6535, 7269, 7842, 9692, 10456, 11763, 12115, 13070, 14538, 15684, 19384, 19605, 20912, 21807, 23526, 24230, 26140, 29076, 31368, 35289, 36345, 38768, 39210, 43614, 47052, 48460, 52280, 58152, 58815, 62736, 65421, 70578, 72690, 78420, 87228, 94104, 96920, 104560, 105867, 109035, 116304, 117630, 130842, 141156, 145380, 156840, 174456, 176445, 188208, 193840, 196263, 211734, 218070, 235260, 261684, 282312, 290760, 313680, 327105, 348912, 352890, 392526, 423468, 436140, 470520, 523368, 529335, 564624, 581520, 654210, 705780, 785052, 846936, 872280, 941040, 981315, 1046736, 1058670, 1308420, 1411560, 1570104, 1693872, 1744560, 1962630, 2117340, 2616840, 2823120, 3140208, 3166861, 3925260, 4234680, 5233680, 6333722, 7850520, 8469360, 9500583, 12667444, 15701040, 15834305, 19001166, 25334888, 28501749, 31668610, 38002332, 47502915, 50669776, 57003498, 63337220, 76004664, 85505247, 95005830, 114006996, 126674440, 142508745, 152009328, 171010494, 190011660, 228013992, 253348880, 256515741, 285017490, 342020988, 380023320, 427526235, 456027984, 513031482, 570034980, 684041976, 760046640, 855052470, 1026062964, 1140069960, 1282578705, 1368083952, 1710104940, 2052125928, 2280139920, 2565157410, 3420209880, 4104251856, 5130314820, 6840419760, 10260629640, 20521259280]

約数ペア:

[(1, 20521259280), (2, 10260629640), (3, 6840419760), (4, 5130314820), (5, 4104251856), (6, 3420209880), (8, 2565157410), (9, 2280139920), (10, 2052125928), (12, 1710104940), (15, 1368083952), (16, 1282578705), (18, 1140069960), (20, 1026062964), (24, 855052470), (27, 760046640), (30, 684041976), (36, 570034980), (40, 513031482), (45, 456027984), (48, 427526235), (54, 380023320), (60, 342020988), (72, 285017490), (80, 256515741), (81, 253348880), (90, 228013992), (108, 190011660), (120, 171010494), (135, 152009328), (144, 142508745), (162, 126674440), (180, 114006996), (216, 95005830), (240, 85505247), (270, 76004664), (324, 63337220), (360, 57003498), (405, 50669776), (432, 47502915), (540, 38002332), (648, 31668610), (720, 28501749), (810, 25334888), (1080, 19001166), (1296, 15834305), (1307, 15701040), (1620, 12667444), (2160, 9500583), (2423, 8469360), (2614, 7850520), (3240, 6333722), (3921, 5233680), (4846, 4234680), (5228, 3925260), (6480, 3166861), (6535, 3140208), (7269, 2823120), (7842, 2616840), (9692, 2117340), (10456, 1962630), (11763, 1744560), (12115, 1693872), (13070, 1570104), (14538, 1411560), (15684, 1308420), (19384, 1058670), (19605, 1046736), (20912, 981315), (21807, 941040), (23526, 872280), (24230, 846936), (26140, 785052), (29076, 705780), (31368, 654210), (35289, 581520), (36345, 564624), (38768, 529335), (39210, 523368), (43614, 470520), (47052, 436140), (48460, 423468), (52280, 392526), (58152, 352890), (58815, 348912), (62736, 327105), (65421, 313680), (70578, 290760), (72690, 282312), (78420, 261684), (87228, 235260), (94104, 218070), (96920, 211734), (104560, 196263), (105867, 193840), (109035, 188208), (116304, 176445), (117630, 174456), (130842, 156840), (141156, 145380)]