409160320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:594

約数の個数: 128

約数和(自身を含む): 1036385280

約数和(自身を除く): 627224960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 503, 620, 640, 656, 820, 992, 1006, 1240, 1271, 1312, 1640, 1984, 2012, 2480, 2515, 2542, 2624, 3280, 3968, 4024, 4960, 5030, 5084, 5248, 6355, 6560, 8048, 9920, 10060, 10168, 12710, 13120, 15593, 16096, 19840, 20120, 20336, 20623, 25420, 26240, 31186, 32192, 40240, 40672, 41246, 50840, 62372, 64384, 77965, 80480, 81344, 82492, 101680, 103115, 124744, 155930, 160960, 162688, 164984, 203360, 206230, 249488, 311860, 321920, 329968, 406720, 412460, 498976, 623720, 639313, 659936, 813440, 824920, 997952, 1247440, 1278626, 1319872, 1649840, 1995904, 2494880, 2557252, 2639744, 3196565, 3299680, 4989760, 5114504, 6393130, 6599360, 9979520, 10229008, 12786260, 13198720, 20458016, 25572520, 40916032, 51145040, 81832064, 102290080, 204580160, 409160320]

約数ペア:

[(1, 409160320), (2, 204580160), (4, 102290080), (5, 81832064), (8, 51145040), (10, 40916032), (16, 25572520), (20, 20458016), (31, 13198720), (32, 12786260), (40, 10229008), (41, 9979520), (62, 6599360), (64, 6393130), (80, 5114504), (82, 4989760), (124, 3299680), (128, 3196565), (155, 2639744), (160, 2557252), (164, 2494880), (205, 1995904), (248, 1649840), (310, 1319872), (320, 1278626), (328, 1247440), (410, 997952), (496, 824920), (503, 813440), (620, 659936), (640, 639313), (656, 623720), (820, 498976), (992, 412460), (1006, 406720), (1240, 329968), (1271, 321920), (1312, 311860), (1640, 249488), (1984, 206230), (2012, 203360), (2480, 164984), (2515, 162688), (2542, 160960), (2624, 155930), (3280, 124744), (3968, 103115), (4024, 101680), (4960, 82492), (5030, 81344), (5084, 80480), (5248, 77965), (6355, 64384), (6560, 62372), (8048, 50840), (9920, 41246), (10060, 40672), (10168, 40240), (12710, 32192), (13120, 31186), (15593, 26240), (16096, 25420), (19840, 20623), (20120, 20336)]