74981970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 231436800

約数和(自身を除く): 156454830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 97, 105, 126, 135, 189, 194, 210, 270, 291, 315, 378, 409, 485, 582, 630, 679, 818, 873, 945, 970, 1227, 1358, 1455, 1746, 1890, 2037, 2045, 2454, 2619, 2863, 2910, 3395, 3681, 4074, 4090, 4365, 5238, 5726, 6111, 6135, 6790, 7362, 8589, 8730, 10185, 11043, 12222, 12270, 13095, 14315, 17178, 18333, 18405, 20370, 22086, 25767, 26190, 28630, 30555, 36666, 36810, 39673, 42945, 51534, 55215, 61110, 77301, 79346, 85890, 91665, 110430, 119019, 128835, 154602, 183330, 198365, 238038, 257670, 277711, 357057, 386505, 396730, 555422, 595095, 714114, 773010, 833133, 1071171, 1190190, 1388555, 1666266, 1785285, 2142342, 2499399, 2777110, 3570570, 4165665, 4998798, 5355855, 7498197, 8331330, 10711710, 12496995, 14996394, 24993990, 37490985, 74981970]

約数ペア:

[(1, 74981970), (2, 37490985), (3, 24993990), (5, 14996394), (6, 12496995), (7, 10711710), (9, 8331330), (10, 7498197), (14, 5355855), (15, 4998798), (18, 4165665), (21, 3570570), (27, 2777110), (30, 2499399), (35, 2142342), (42, 1785285), (45, 1666266), (54, 1388555), (63, 1190190), (70, 1071171), (90, 833133), (97, 773010), (105, 714114), (126, 595095), (135, 555422), (189, 396730), (194, 386505), (210, 357057), (270, 277711), (291, 257670), (315, 238038), (378, 198365), (409, 183330), (485, 154602), (582, 128835), (630, 119019), (679, 110430), (818, 91665), (873, 85890), (945, 79346), (970, 77301), (1227, 61110), (1358, 55215), (1455, 51534), (1746, 42945), (1890, 39673), (2037, 36810), (2045, 36666), (2454, 30555), (2619, 28630), (2863, 26190), (2910, 25767), (3395, 22086), (3681, 20370), (4074, 18405), (4090, 18333), (4365, 17178), (5238, 14315), (5726, 13095), (6111, 12270), (6135, 12222), (6790, 11043), (7362, 10185), (8589, 8730)]