247385580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 775240704

約数和(自身を除く): 527855124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 676, 780, 787, 806, 845, 930, 1014, 1209, 1574, 1612, 1690, 1860, 2015, 2028, 2361, 2418, 2535, 3148, 3380, 3935, 4030, 4722, 4836, 5070, 5239, 6045, 7870, 8060, 9444, 10140, 10231, 10478, 11805, 12090, 15717, 15740, 20462, 20956, 23610, 24180, 24397, 26195, 30693, 31434, 40924, 47220, 48794, 51155, 52390, 61386, 62868, 73191, 78585, 97588, 102310, 104780, 121985, 122772, 133003, 146382, 153465, 157170, 204620, 243970, 266006, 292764, 306930, 314340, 317161, 365955, 399009, 487940, 532012, 613860, 634322, 665015, 731910, 798018, 951483, 1268644, 1330030, 1463820, 1585805, 1596036, 1902966, 1995045, 2660060, 3171610, 3805932, 3990090, 4123093, 4757415, 6343220, 7980180, 8246186, 9514830, 12369279, 16492372, 19029660, 20615465, 24738558, 41230930, 49477116, 61846395, 82461860, 123692790, 247385580]

約数ペア:

[(1, 247385580), (2, 123692790), (3, 82461860), (4, 61846395), (5, 49477116), (6, 41230930), (10, 24738558), (12, 20615465), (13, 19029660), (15, 16492372), (20, 12369279), (26, 9514830), (30, 8246186), (31, 7980180), (39, 6343220), (52, 4757415), (60, 4123093), (62, 3990090), (65, 3805932), (78, 3171610), (93, 2660060), (124, 1995045), (130, 1902966), (155, 1596036), (156, 1585805), (169, 1463820), (186, 1330030), (195, 1268644), (260, 951483), (310, 798018), (338, 731910), (372, 665015), (390, 634322), (403, 613860), (465, 532012), (507, 487940), (620, 399009), (676, 365955), (780, 317161), (787, 314340), (806, 306930), (845, 292764), (930, 266006), (1014, 243970), (1209, 204620), (1574, 157170), (1612, 153465), (1690, 146382), (1860, 133003), (2015, 122772), (2028, 121985), (2361, 104780), (2418, 102310), (2535, 97588), (3148, 78585), (3380, 73191), (3935, 62868), (4030, 61386), (4722, 52390), (4836, 51155), (5070, 48794), (5239, 47220), (6045, 40924), (7870, 31434), (8060, 30693), (9444, 26195), (10140, 24397), (10231, 24180), (10478, 23610), (11805, 20956), (12090, 20462), (15717, 15740)]