439790720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 1127304000

約数和(自身を除く): 687513280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 64, 76, 80, 95, 118, 128, 152, 160, 190, 236, 295, 304, 320, 380, 472, 590, 608, 613, 640, 760, 944, 1121, 1180, 1216, 1226, 1520, 1888, 2242, 2360, 2432, 2452, 3040, 3065, 3776, 4484, 4720, 4904, 5605, 6080, 6130, 7552, 8968, 9440, 9808, 11210, 11647, 12160, 12260, 17936, 18880, 19616, 22420, 23294, 24520, 35872, 36167, 37760, 39232, 44840, 46588, 49040, 58235, 71744, 72334, 78464, 89680, 93176, 98080, 116470, 143488, 144668, 179360, 180835, 186352, 196160, 232940, 289336, 358720, 361670, 372704, 392320, 465880, 578672, 687173, 717440, 723340, 745408, 931760, 1157344, 1374346, 1446680, 1490816, 1863520, 2314688, 2748692, 2893360, 3435865, 3727040, 4629376, 5497384, 5786720, 6871730, 7454080, 10994768, 11573440, 13743460, 21989536, 23146880, 27486920, 43979072, 54973840, 87958144, 109947680, 219895360, 439790720]

約数ペア:

[(1, 439790720), (2, 219895360), (4, 109947680), (5, 87958144), (8, 54973840), (10, 43979072), (16, 27486920), (19, 23146880), (20, 21989536), (32, 13743460), (38, 11573440), (40, 10994768), (59, 7454080), (64, 6871730), (76, 5786720), (80, 5497384), (95, 4629376), (118, 3727040), (128, 3435865), (152, 2893360), (160, 2748692), (190, 2314688), (236, 1863520), (295, 1490816), (304, 1446680), (320, 1374346), (380, 1157344), (472, 931760), (590, 745408), (608, 723340), (613, 717440), (640, 687173), (760, 578672), (944, 465880), (1121, 392320), (1180, 372704), (1216, 361670), (1226, 358720), (1520, 289336), (1888, 232940), (2242, 196160), (2360, 186352), (2432, 180835), (2452, 179360), (3040, 144668), (3065, 143488), (3776, 116470), (4484, 98080), (4720, 93176), (4904, 89680), (5605, 78464), (6080, 72334), (6130, 71744), (7552, 58235), (8968, 49040), (9440, 46588), (9808, 44840), (11210, 39232), (11647, 37760), (12160, 36167), (12260, 35872), (17936, 24520), (18880, 23294), (19616, 22420)]