1288979760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{282671}}^1$

素因数の和:282706

約数の個数: 80

約数和(自身を含む): 4206159360

約数和(自身を除く): 2917179600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 282671, 565342, 848013, 1130684, 1413355, 1696026, 2261368, 2826710, 3392052, 4240065, 4522736, 5370749, 5653420, 6784104, 8480130, 10741498, 11306840, 13568208, 16112247, 16960260, 21482996, 22613680, 26853745, 32224494, 33920520, 42965992, 53707490, 64448988, 67841040, 80561235, 85931984, 107414980, 128897976, 161122470, 214829960, 257795952, 322244940, 429659920, 644489880, 1288979760]

約数ペア:

[(1, 1288979760), (2, 644489880), (3, 429659920), (4, 322244940), (5, 257795952), (6, 214829960), (8, 161122470), (10, 128897976), (12, 107414980), (15, 85931984), (16, 80561235), (19, 67841040), (20, 64448988), (24, 53707490), (30, 42965992), (38, 33920520), (40, 32224494), (48, 26853745), (57, 22613680), (60, 21482996), (76, 16960260), (80, 16112247), (95, 13568208), (114, 11306840), (120, 10741498), (152, 8480130), (190, 6784104), (228, 5653420), (240, 5370749), (285, 4522736), (304, 4240065), (380, 3392052), (456, 2826710), (570, 2261368), (760, 1696026), (912, 1413355), (1140, 1130684), (1520, 848013), (2280, 565342), (4560, 282671)]