66481220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 161935200

約数和(自身を除く): 95453980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 89, 130, 169, 170, 178, 221, 260, 338, 340, 356, 442, 445, 676, 845, 884, 890, 1105, 1157, 1513, 1690, 1780, 2197, 2210, 2314, 2873, 3026, 3380, 4394, 4420, 4628, 5746, 5785, 6052, 7565, 8788, 10985, 11492, 11570, 14365, 15041, 15130, 19669, 21970, 23140, 28730, 30082, 30260, 37349, 39338, 43940, 57460, 60164, 74698, 75205, 78676, 98345, 149396, 150410, 186745, 195533, 196690, 255697, 300820, 373490, 391066, 393380, 511394, 746980, 782132, 977665, 1022788, 1278485, 1955330, 2556970, 3324061, 3910660, 5113940, 6648122, 13296244, 16620305, 33240610, 66481220]

約数ペア:

[(1, 66481220), (2, 33240610), (4, 16620305), (5, 13296244), (10, 6648122), (13, 5113940), (17, 3910660), (20, 3324061), (26, 2556970), (34, 1955330), (52, 1278485), (65, 1022788), (68, 977665), (85, 782132), (89, 746980), (130, 511394), (169, 393380), (170, 391066), (178, 373490), (221, 300820), (260, 255697), (338, 196690), (340, 195533), (356, 186745), (442, 150410), (445, 149396), (676, 98345), (845, 78676), (884, 75205), (890, 74698), (1105, 60164), (1157, 57460), (1513, 43940), (1690, 39338), (1780, 37349), (2197, 30260), (2210, 30082), (2314, 28730), (2873, 23140), (3026, 21970), (3380, 19669), (4394, 15130), (4420, 15041), (4628, 14365), (5746, 11570), (5785, 11492), (6052, 10985), (7565, 8788)]