61919760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{36857}}^1$

素因数の和:36880

約数の個数: 80

約数和(自身を含む): 219378816

約数和(自身を除く): 157459056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 36857, 73714, 110571, 147428, 184285, 221142, 257999, 294856, 368570, 442284, 515998, 552855, 589712, 737140, 773997, 884568, 1031996, 1105710, 1289995, 1474280, 1547994, 1769136, 2063992, 2211420, 2579990, 2948560, 3095988, 3869985, 4127984, 4422840, 5159980, 6191976, 7739970, 8845680, 10319960, 12383952, 15479940, 20639920, 30959880, 61919760]

約数ペア:

[(1, 61919760), (2, 30959880), (3, 20639920), (4, 15479940), (5, 12383952), (6, 10319960), (7, 8845680), (8, 7739970), (10, 6191976), (12, 5159980), (14, 4422840), (15, 4127984), (16, 3869985), (20, 3095988), (21, 2948560), (24, 2579990), (28, 2211420), (30, 2063992), (35, 1769136), (40, 1547994), (42, 1474280), (48, 1289995), (56, 1105710), (60, 1031996), (70, 884568), (80, 773997), (84, 737140), (105, 589712), (112, 552855), (120, 515998), (140, 442284), (168, 368570), (210, 294856), (240, 257999), (280, 221142), (336, 184285), (420, 147428), (560, 110571), (840, 73714), (1680, 36857)]