212315280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28537}}^1$

素因数の和:28584

約数の個数: 80

約数和(自身を含む): 679432704

約数和(自身を除く): 467117424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28537, 57074, 85611, 114148, 142685, 171222, 228296, 285370, 342444, 428055, 456592, 570740, 684888, 856110, 884647, 1141480, 1369776, 1712220, 1769294, 2282960, 2653941, 3424440, 3538588, 4423235, 5307882, 6848880, 7077176, 8846470, 10615764, 13269705, 14154352, 17692940, 21231528, 26539410, 35385880, 42463056, 53078820, 70771760, 106157640, 212315280]

約数ペア:

[(1, 212315280), (2, 106157640), (3, 70771760), (4, 53078820), (5, 42463056), (6, 35385880), (8, 26539410), (10, 21231528), (12, 17692940), (15, 14154352), (16, 13269705), (20, 10615764), (24, 8846470), (30, 7077176), (31, 6848880), (40, 5307882), (48, 4423235), (60, 3538588), (62, 3424440), (80, 2653941), (93, 2282960), (120, 1769294), (124, 1712220), (155, 1369776), (186, 1141480), (240, 884647), (248, 856110), (310, 684888), (372, 570740), (465, 456592), (496, 428055), (620, 342444), (744, 285370), (930, 228296), (1240, 171222), (1488, 142685), (1860, 114148), (2480, 85611), (3720, 57074), (7440, 28537)]