7890991640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1\times {\mathrm{1277}}^1$

素因数の和:2085

約数の個数: 128

約数和(自身を含む): 21034857600

約数和(自身を除く): 13143865960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 761, 812, 1015, 1160, 1277, 1522, 1624, 2030, 2554, 3044, 3805, 4060, 5108, 5327, 6088, 6385, 7610, 8120, 8939, 10216, 10654, 12770, 15220, 17878, 21308, 22069, 25540, 26635, 30440, 35756, 37033, 42616, 44138, 44695, 51080, 53270, 71512, 74066, 88276, 89390, 106540, 110345, 148132, 154483, 176552, 178780, 185165, 213080, 220690, 259231, 296264, 308966, 357560, 370330, 441380, 518462, 617932, 740660, 772415, 882760, 971797, 1036924, 1235864, 1296155, 1481320, 1544830, 1943594, 2073848, 2592310, 3089660, 3887188, 4858985, 5184620, 6179320, 6802579, 7774376, 9717970, 10369240, 13605158, 19435940, 27210316, 28182113, 34012895, 38871880, 54420632, 56364226, 68025790, 112728452, 136051580, 140910565, 197274791, 225456904, 272103160, 281821130, 394549582, 563642260, 789099164, 986373955, 1127284520, 1578198328, 1972747910, 3945495820, 7890991640]

約数ペア:

[(1, 7890991640), (2, 3945495820), (4, 1972747910), (5, 1578198328), (7, 1127284520), (8, 986373955), (10, 789099164), (14, 563642260), (20, 394549582), (28, 281821130), (29, 272103160), (35, 225456904), (40, 197274791), (56, 140910565), (58, 136051580), (70, 112728452), (116, 68025790), (140, 56364226), (145, 54420632), (203, 38871880), (232, 34012895), (280, 28182113), (290, 27210316), (406, 19435940), (580, 13605158), (761, 10369240), (812, 9717970), (1015, 7774376), (1160, 6802579), (1277, 6179320), (1522, 5184620), (1624, 4858985), (2030, 3887188), (2554, 3089660), (3044, 2592310), (3805, 2073848), (4060, 1943594), (5108, 1544830), (5327, 1481320), (6088, 1296155), (6385, 1235864), (7610, 1036924), (8120, 971797), (8939, 882760), (10216, 772415), (10654, 740660), (12770, 617932), (15220, 518462), (17878, 441380), (21308, 370330), (22069, 357560), (25540, 308966), (26635, 296264), (30440, 259231), (35756, 220690), (37033, 213080), (42616, 185165), (44138, 178780), (44695, 176552), (51080, 154483), (53270, 148132), (71512, 110345), (74066, 106540), (88276, 89390)]