647580080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:204

約数の個数: 180

約数和(自身を含む): 1833043392

約数和(自身を除く): 1185463312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 73, 80, 98, 112, 124, 140, 146, 155, 196, 217, 245, 248, 280, 292, 310, 365, 392, 434, 490, 496, 511, 560, 584, 620, 730, 784, 868, 980, 1022, 1085, 1168, 1240, 1460, 1519, 1736, 1960, 2044, 2170, 2263, 2480, 2555, 2920, 3038, 3472, 3577, 3920, 4088, 4340, 4526, 5110, 5329, 5840, 6076, 7154, 7595, 8176, 8680, 9052, 10220, 10658, 11315, 12152, 14308, 15190, 15841, 17360, 17885, 18104, 20440, 21316, 22630, 24304, 26645, 28616, 30380, 31682, 35770, 36208, 37303, 40880, 42632, 45260, 53290, 57232, 60760, 63364, 71540, 74606, 79205, 85264, 90520, 106580, 110887, 121520, 126728, 143080, 149212, 158410, 165199, 181040, 186515, 213160, 221774, 253456, 261121, 286160, 298424, 316820, 330398, 373030, 426320, 443548, 522242, 554435, 596848, 633640, 660796, 746060, 825995, 887096, 1044484, 1108870, 1156393, 1267280, 1305605, 1321592, 1492120, 1651990, 1774192, 2088968, 2217740, 2312786, 2611210, 2643184, 2984240, 3303980, 4177936, 4435480, 4625572, 5222420, 5781965, 6607960, 8094751, 8870960, 9251144, 10444840, 11563930, 13215920, 16189502, 18502288, 20889680, 23127860, 32379004, 40473755, 46255720, 64758008, 80947510, 92511440, 129516016, 161895020, 323790040, 647580080]

約数ペア:

[(1, 647580080), (2, 323790040), (4, 161895020), (5, 129516016), (7, 92511440), (8, 80947510), (10, 64758008), (14, 46255720), (16, 40473755), (20, 32379004), (28, 23127860), (31, 20889680), (35, 18502288), (40, 16189502), (49, 13215920), (56, 11563930), (62, 10444840), (70, 9251144), (73, 8870960), (80, 8094751), (98, 6607960), (112, 5781965), (124, 5222420), (140, 4625572), (146, 4435480), (155, 4177936), (196, 3303980), (217, 2984240), (245, 2643184), (248, 2611210), (280, 2312786), (292, 2217740), (310, 2088968), (365, 1774192), (392, 1651990), (434, 1492120), (490, 1321592), (496, 1305605), (511, 1267280), (560, 1156393), (584, 1108870), (620, 1044484), (730, 887096), (784, 825995), (868, 746060), (980, 660796), (1022, 633640), (1085, 596848), (1168, 554435), (1240, 522242), (1460, 443548), (1519, 426320), (1736, 373030), (1960, 330398), (2044, 316820), (2170, 298424), (2263, 286160), (2480, 261121), (2555, 253456), (2920, 221774), (3038, 213160), (3472, 186515), (3577, 181040), (3920, 165199), (4088, 158410), (4340, 149212), (4526, 143080), (5110, 126728), (5329, 121520), (5840, 110887), (6076, 106580), (7154, 90520), (7595, 85264), (8176, 79205), (8680, 74606), (9052, 71540), (10220, 63364), (10658, 60760), (11315, 57232), (12152, 53290), (14308, 45260), (15190, 42632), (15841, 40880), (17360, 37303), (17885, 36208), (18104, 35770), (20440, 31682), (21316, 30380), (22630, 28616), (24304, 26645)]