431182720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 128

約数和(自身を含む): 1079470080

約数和(自身を除く): 648287360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 103, 124, 128, 155, 160, 206, 211, 248, 310, 320, 412, 422, 496, 515, 620, 640, 824, 844, 992, 1030, 1055, 1240, 1648, 1688, 1984, 2060, 2110, 2480, 3193, 3296, 3376, 3968, 4120, 4220, 4960, 6386, 6541, 6592, 6752, 8240, 8440, 9920, 12772, 13082, 13184, 13504, 15965, 16480, 16880, 19840, 21733, 25544, 26164, 27008, 31930, 32705, 32960, 33760, 43466, 51088, 52328, 63860, 65410, 65920, 67520, 86932, 102176, 104656, 108665, 127720, 130820, 135040, 173864, 204352, 209312, 217330, 255440, 261640, 347728, 408704, 418624, 434660, 510880, 523280, 673723, 695456, 837248, 869320, 1021760, 1046560, 1347446, 1390912, 1738640, 2043520, 2093120, 2694892, 2781824, 3368615, 3477280, 4186240, 5389784, 6737230, 6954560, 10779568, 13474460, 13909120, 21559136, 26948920, 43118272, 53897840, 86236544, 107795680, 215591360, 431182720]

約数ペア:

[(1, 431182720), (2, 215591360), (4, 107795680), (5, 86236544), (8, 53897840), (10, 43118272), (16, 26948920), (20, 21559136), (31, 13909120), (32, 13474460), (40, 10779568), (62, 6954560), (64, 6737230), (80, 5389784), (103, 4186240), (124, 3477280), (128, 3368615), (155, 2781824), (160, 2694892), (206, 2093120), (211, 2043520), (248, 1738640), (310, 1390912), (320, 1347446), (412, 1046560), (422, 1021760), (496, 869320), (515, 837248), (620, 695456), (640, 673723), (824, 523280), (844, 510880), (992, 434660), (1030, 418624), (1055, 408704), (1240, 347728), (1648, 261640), (1688, 255440), (1984, 217330), (2060, 209312), (2110, 204352), (2480, 173864), (3193, 135040), (3296, 130820), (3376, 127720), (3968, 108665), (4120, 104656), (4220, 102176), (4960, 86932), (6386, 67520), (6541, 65920), (6592, 65410), (6752, 63860), (8240, 52328), (8440, 51088), (9920, 43466), (12772, 33760), (13082, 32960), (13184, 32705), (13504, 31930), (15965, 27008), (16480, 26164), (16880, 25544), (19840, 21733)]