12571920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:957

約数の個数: 120

約数和(自身を含む): 44491200

約数和(自身を除く): 31919280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 919, 1140, 1368, 1520, 1710, 1838, 2280, 2736, 2757, 3420, 3676, 4560, 4595, 5514, 6840, 7352, 8271, 9190, 11028, 13680, 13785, 14704, 16542, 17461, 18380, 22056, 27570, 33084, 34922, 36760, 41355, 44112, 52383, 55140, 66168, 69844, 73520, 82710, 87305, 104766, 110280, 132336, 139688, 157149, 165420, 174610, 209532, 220560, 261915, 279376, 314298, 330840, 349220, 419064, 523830, 628596, 661680, 698440, 785745, 838128, 1047660, 1257192, 1396880, 1571490, 2095320, 2514384, 3142980, 4190640, 6285960, 12571920]

約数ペア:

[(1, 12571920), (2, 6285960), (3, 4190640), (4, 3142980), (5, 2514384), (6, 2095320), (8, 1571490), (9, 1396880), (10, 1257192), (12, 1047660), (15, 838128), (16, 785745), (18, 698440), (19, 661680), (20, 628596), (24, 523830), (30, 419064), (36, 349220), (38, 330840), (40, 314298), (45, 279376), (48, 261915), (57, 220560), (60, 209532), (72, 174610), (76, 165420), (80, 157149), (90, 139688), (95, 132336), (114, 110280), (120, 104766), (144, 87305), (152, 82710), (171, 73520), (180, 69844), (190, 66168), (228, 55140), (240, 52383), (285, 44112), (304, 41355), (342, 36760), (360, 34922), (380, 33084), (456, 27570), (570, 22056), (684, 18380), (720, 17461), (760, 16542), (855, 14704), (912, 13785), (919, 13680), (1140, 11028), (1368, 9190), (1520, 8271), (1710, 7352), (1838, 6840), (2280, 5514), (2736, 4595), (2757, 4560), (3420, 3676)]