66903980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 167227200

約数和(自身を除く): 100323220

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 149, 157, 220, 260, 286, 298, 314, 572, 596, 628, 715, 745, 785, 1430, 1490, 1570, 1639, 1727, 1937, 2041, 2860, 2980, 3140, 3278, 3454, 3874, 4082, 6556, 6908, 7748, 8164, 8195, 8635, 9685, 10205, 16390, 17270, 19370, 20410, 21307, 22451, 23393, 32780, 34540, 38740, 40820, 42614, 44902, 46786, 85228, 89804, 93572, 106535, 112255, 116965, 213070, 224510, 233930, 257323, 304109, 426140, 449020, 467860, 514646, 608218, 1029292, 1216436, 1286615, 1520545, 2573230, 3041090, 3345199, 5146460, 6082180, 6690398, 13380796, 16725995, 33451990, 66903980]

約数ペア:

[(1, 66903980), (2, 33451990), (4, 16725995), (5, 13380796), (10, 6690398), (11, 6082180), (13, 5146460), (20, 3345199), (22, 3041090), (26, 2573230), (44, 1520545), (52, 1286615), (55, 1216436), (65, 1029292), (110, 608218), (130, 514646), (143, 467860), (149, 449020), (157, 426140), (220, 304109), (260, 257323), (286, 233930), (298, 224510), (314, 213070), (572, 116965), (596, 112255), (628, 106535), (715, 93572), (745, 89804), (785, 85228), (1430, 46786), (1490, 44902), (1570, 42614), (1639, 40820), (1727, 38740), (1937, 34540), (2041, 32780), (2860, 23393), (2980, 22451), (3140, 21307), (3278, 20410), (3454, 19370), (3874, 17270), (4082, 16390), (6556, 10205), (6908, 9685), (7748, 8635), (8164, 8195)]