1279363920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{67477}}^1$

素因数の和:67572

約数の個数: 80

約数和(自身を含む): 4016290560

約数和(自身を除く): 2736926640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 67477, 134954, 202431, 269908, 337385, 404862, 539816, 674770, 809724, 1012155, 1079632, 1349540, 1619448, 2024310, 2699080, 3238896, 4048620, 5330683, 5398160, 8097240, 10661366, 15992049, 16194480, 21322732, 26653415, 31984098, 42645464, 53306830, 63968196, 79960245, 85290928, 106613660, 127936392, 159920490, 213227320, 255872784, 319840980, 426454640, 639681960, 1279363920]

約数ペア:

[(1, 1279363920), (2, 639681960), (3, 426454640), (4, 319840980), (5, 255872784), (6, 213227320), (8, 159920490), (10, 127936392), (12, 106613660), (15, 85290928), (16, 79960245), (20, 63968196), (24, 53306830), (30, 42645464), (40, 31984098), (48, 26653415), (60, 21322732), (79, 16194480), (80, 15992049), (120, 10661366), (158, 8097240), (237, 5398160), (240, 5330683), (316, 4048620), (395, 3238896), (474, 2699080), (632, 2024310), (790, 1619448), (948, 1349540), (1185, 1079632), (1264, 1012155), (1580, 809724), (1896, 674770), (2370, 539816), (3160, 404862), (3792, 337385), (4740, 269908), (6320, 202431), (9480, 134954), (18960, 67477)]