391696160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 963228672

約数和(自身を除く): 571532512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 157, 160, 248, 310, 314, 496, 503, 620, 628, 785, 992, 1006, 1240, 1256, 1570, 2012, 2480, 2512, 2515, 3140, 4024, 4867, 4960, 5024, 5030, 6280, 8048, 9734, 10060, 12560, 15593, 16096, 19468, 20120, 24335, 25120, 31186, 38936, 40240, 48670, 62372, 77872, 77965, 78971, 80480, 97340, 124744, 155744, 155930, 157942, 194680, 249488, 311860, 315884, 389360, 394855, 498976, 623720, 631768, 778720, 789710, 1247440, 1263536, 1579420, 2448101, 2494880, 2527072, 3158840, 4896202, 6317680, 9792404, 12240505, 12635360, 19584808, 24481010, 39169616, 48962020, 78339232, 97924040, 195848080, 391696160]

約数ペア:

[(1, 391696160), (2, 195848080), (4, 97924040), (5, 78339232), (8, 48962020), (10, 39169616), (16, 24481010), (20, 19584808), (31, 12635360), (32, 12240505), (40, 9792404), (62, 6317680), (80, 4896202), (124, 3158840), (155, 2527072), (157, 2494880), (160, 2448101), (248, 1579420), (310, 1263536), (314, 1247440), (496, 789710), (503, 778720), (620, 631768), (628, 623720), (785, 498976), (992, 394855), (1006, 389360), (1240, 315884), (1256, 311860), (1570, 249488), (2012, 194680), (2480, 157942), (2512, 155930), (2515, 155744), (3140, 124744), (4024, 97340), (4867, 80480), (4960, 78971), (5024, 77965), (5030, 77872), (6280, 62372), (8048, 48670), (9734, 40240), (10060, 38936), (12560, 31186), (15593, 25120), (16096, 24335), (19468, 20120)]