63997640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 173905920

約数和(自身を除く): 109908280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 73, 101, 124, 140, 146, 155, 202, 217, 248, 280, 292, 310, 365, 404, 434, 505, 511, 584, 620, 707, 730, 808, 868, 1010, 1022, 1085, 1240, 1414, 1460, 1736, 2020, 2044, 2170, 2263, 2555, 2828, 2920, 3131, 3535, 4040, 4088, 4340, 4526, 5110, 5656, 6262, 7070, 7373, 8680, 9052, 10220, 11315, 12524, 14140, 14746, 15655, 15841, 18104, 20440, 21917, 22630, 25048, 28280, 29492, 31310, 31682, 36865, 43834, 45260, 51611, 58984, 62620, 63364, 73730, 79205, 87668, 90520, 103222, 109585, 125240, 126728, 147460, 158410, 175336, 206444, 219170, 228563, 258055, 294920, 316820, 412888, 438340, 457126, 516110, 633640, 876680, 914252, 1032220, 1142815, 1599941, 1828504, 2064440, 2285630, 3199882, 4571260, 6399764, 7999705, 9142520, 12799528, 15999410, 31998820, 63997640]

約数ペア:

[(1, 63997640), (2, 31998820), (4, 15999410), (5, 12799528), (7, 9142520), (8, 7999705), (10, 6399764), (14, 4571260), (20, 3199882), (28, 2285630), (31, 2064440), (35, 1828504), (40, 1599941), (56, 1142815), (62, 1032220), (70, 914252), (73, 876680), (101, 633640), (124, 516110), (140, 457126), (146, 438340), (155, 412888), (202, 316820), (217, 294920), (248, 258055), (280, 228563), (292, 219170), (310, 206444), (365, 175336), (404, 158410), (434, 147460), (505, 126728), (511, 125240), (584, 109585), (620, 103222), (707, 90520), (730, 87668), (808, 79205), (868, 73730), (1010, 63364), (1022, 62620), (1085, 58984), (1240, 51611), (1414, 45260), (1460, 43834), (1736, 36865), (2020, 31682), (2044, 31310), (2170, 29492), (2263, 28280), (2555, 25048), (2828, 22630), (2920, 21917), (3131, 20440), (3535, 18104), (4040, 15841), (4088, 15655), (4340, 14746), (4526, 14140), (5110, 12524), (5656, 11315), (6262, 10220), (7070, 9052), (7373, 8680)]