309930560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 112

約数和(自身を含む): 770534400

約数和(自身を除く): 460603840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 157, 160, 199, 248, 310, 314, 320, 398, 496, 620, 628, 785, 796, 992, 995, 1240, 1256, 1570, 1592, 1984, 1990, 2480, 2512, 3140, 3184, 3980, 4867, 4960, 5024, 6169, 6280, 6368, 7960, 9734, 9920, 10048, 12338, 12560, 12736, 15920, 19468, 24335, 24676, 25120, 30845, 31243, 31840, 38936, 48670, 49352, 50240, 61690, 62486, 63680, 77872, 97340, 98704, 123380, 124972, 155744, 156215, 194680, 197408, 246760, 249944, 311488, 312430, 389360, 394816, 493520, 499888, 624860, 778720, 968533, 987040, 999776, 1249720, 1557440, 1937066, 1974080, 1999552, 2499440, 3874132, 4842665, 4998880, 7748264, 9685330, 9997760, 15496528, 19370660, 30993056, 38741320, 61986112, 77482640, 154965280, 309930560]

約数ペア:

[(1, 309930560), (2, 154965280), (4, 77482640), (5, 61986112), (8, 38741320), (10, 30993056), (16, 19370660), (20, 15496528), (31, 9997760), (32, 9685330), (40, 7748264), (62, 4998880), (64, 4842665), (80, 3874132), (124, 2499440), (155, 1999552), (157, 1974080), (160, 1937066), (199, 1557440), (248, 1249720), (310, 999776), (314, 987040), (320, 968533), (398, 778720), (496, 624860), (620, 499888), (628, 493520), (785, 394816), (796, 389360), (992, 312430), (995, 311488), (1240, 249944), (1256, 246760), (1570, 197408), (1592, 194680), (1984, 156215), (1990, 155744), (2480, 124972), (2512, 123380), (3140, 98704), (3184, 97340), (3980, 77872), (4867, 63680), (4960, 62486), (5024, 61690), (6169, 50240), (6280, 49352), (6368, 48670), (7960, 38936), (9734, 31840), (9920, 31243), (10048, 30845), (12338, 25120), (12560, 24676), (12736, 24335), (15920, 19468)]