311999760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22807}}^1$

素因数の和:22845

約数の個数: 120

約数和(自身を含む): 1102994880

約数和(自身を除く): 790995120

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, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 22807, 45614, 68421, 91228, 114035, 136842, 182456, 205263, 228070, 273684, 342105, 364912, 410526, 433333, 456140, 547368, 684210, 821052, 866666, 912280, 1026315, 1094736, 1299999, 1368420, 1642104, 1733332, 1824560, 2052630, 2166665, 2599998, 2736840, 3284208, 3466664, 3899997, 4105260, 4333330, 5199996, 5473680, 6499995, 6933328, 7799994, 8210520, 8666660, 10399992, 12999990, 15599988, 16421040, 17333320, 19499985, 20799984, 25999980, 31199976, 34666640, 38999970, 51999960, 62399952, 77999940, 103999920, 155999880, 311999760]

約数ペア:

[(1, 311999760), (2, 155999880), (3, 103999920), (4, 77999940), (5, 62399952), (6, 51999960), (8, 38999970), (9, 34666640), (10, 31199976), (12, 25999980), (15, 20799984), (16, 19499985), (18, 17333320), (19, 16421040), (20, 15599988), (24, 12999990), (30, 10399992), (36, 8666660), (38, 8210520), (40, 7799994), (45, 6933328), (48, 6499995), (57, 5473680), (60, 5199996), (72, 4333330), (76, 4105260), (80, 3899997), (90, 3466664), (95, 3284208), (114, 2736840), (120, 2599998), (144, 2166665), (152, 2052630), (171, 1824560), (180, 1733332), (190, 1642104), (228, 1368420), (240, 1299999), (285, 1094736), (304, 1026315), (342, 912280), (360, 866666), (380, 821052), (456, 684210), (570, 547368), (684, 456140), (720, 433333), (760, 410526), (855, 364912), (912, 342105), (1140, 273684), (1368, 228070), (1520, 205263), (1710, 182456), (2280, 136842), (2736, 114035), (3420, 91228), (4560, 68421), (6840, 45614), (13680, 22807)]