8172780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 29998080

約数和(自身を除く): 21825300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 29, 30, 33, 35, 42, 44, 55, 58, 60, 61, 66, 70, 77, 84, 87, 105, 110, 116, 122, 132, 140, 145, 154, 165, 174, 183, 203, 210, 220, 231, 244, 290, 305, 308, 319, 330, 348, 366, 385, 406, 420, 427, 435, 462, 580, 609, 610, 638, 660, 671, 732, 770, 812, 854, 870, 915, 924, 957, 1015, 1155, 1218, 1220, 1276, 1281, 1342, 1540, 1595, 1708, 1740, 1769, 1830, 1914, 2013, 2030, 2135, 2233, 2310, 2436, 2562, 2684, 3045, 3190, 3355, 3538, 3660, 3828, 4026, 4060, 4270, 4466, 4620, 4697, 4785, 5124, 5307, 6090, 6380, 6405, 6699, 6710, 7076, 8052, 8540, 8845, 8932, 9394, 9570, 10065, 10614, 11165, 12180, 12383, 12810, 13398, 13420, 14091, 17690, 18788, 19140, 19459, 20130, 21228, 22330, 23485, 24766, 25620, 26535, 26796, 28182, 33495, 35380, 37149, 38918, 40260, 44660, 46970, 49532, 53070, 56364, 58377, 61915, 66990, 70455, 74298, 77836, 93940, 97295, 106140, 116754, 123830, 133980, 136213, 140910, 148596, 185745, 194590, 233508, 247660, 272426, 281820, 291885, 371490, 389180, 408639, 544852, 583770, 681065, 742980, 817278, 1167540, 1362130, 1634556, 2043195, 2724260, 4086390, 8172780]

約数ペア:

[(1, 8172780), (2, 4086390), (3, 2724260), (4, 2043195), (5, 1634556), (6, 1362130), (7, 1167540), (10, 817278), (11, 742980), (12, 681065), (14, 583770), (15, 544852), (20, 408639), (21, 389180), (22, 371490), (28, 291885), (29, 281820), (30, 272426), (33, 247660), (35, 233508), (42, 194590), (44, 185745), (55, 148596), (58, 140910), (60, 136213), (61, 133980), (66, 123830), (70, 116754), (77, 106140), (84, 97295), (87, 93940), (105, 77836), (110, 74298), (116, 70455), (122, 66990), (132, 61915), (140, 58377), (145, 56364), (154, 53070), (165, 49532), (174, 46970), (183, 44660), (203, 40260), (210, 38918), (220, 37149), (231, 35380), (244, 33495), (290, 28182), (305, 26796), (308, 26535), (319, 25620), (330, 24766), (348, 23485), (366, 22330), (385, 21228), (406, 20130), (420, 19459), (427, 19140), (435, 18788), (462, 17690), (580, 14091), (609, 13420), (610, 13398), (638, 12810), (660, 12383), (671, 12180), (732, 11165), (770, 10614), (812, 10065), (854, 9570), (870, 9394), (915, 8932), (924, 8845), (957, 8540), (1015, 8052), (1155, 7076), (1218, 6710), (1220, 6699), (1276, 6405), (1281, 6380), (1342, 6090), (1540, 5307), (1595, 5124), (1708, 4785), (1740, 4697), (1769, 4620), (1830, 4466), (1914, 4270), (2013, 4060), (2030, 4026), (2135, 3828), (2233, 3660), (2310, 3538), (2436, 3355), (2562, 3190), (2684, 3045)]