90475840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 168

約数和(自身を含む): 267736320

約数和(自身を除く): 177260480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 239, 260, 280, 320, 338, 364, 416, 448, 455, 478, 520, 560, 676, 728, 832, 845, 910, 956, 1040, 1120, 1183, 1195, 1352, 1456, 1673, 1690, 1820, 1912, 2080, 2240, 2366, 2390, 2704, 2912, 3107, 3346, 3380, 3640, 3824, 4160, 4732, 4780, 5408, 5824, 5915, 6214, 6692, 6760, 7280, 7648, 8365, 9464, 9560, 10816, 11830, 12428, 13384, 13520, 14560, 15296, 15535, 16730, 18928, 19120, 21749, 23660, 24856, 26768, 27040, 29120, 31070, 33460, 37856, 38240, 40391, 43498, 47320, 49712, 53536, 54080, 62140, 66920, 75712, 76480, 80782, 86996, 94640, 99424, 107072, 108745, 124280, 133840, 161564, 173992, 189280, 198848, 201955, 217490, 248560, 267680, 282737, 323128, 347984, 378560, 403910, 434980, 497120, 535360, 565474, 646256, 695968, 807820, 869960, 994240, 1130948, 1292512, 1391936, 1413685, 1615640, 1739920, 2261896, 2585024, 2827370, 3231280, 3479840, 4523792, 5654740, 6462560, 6959680, 9047584, 11309480, 12925120, 18095168, 22618960, 45237920, 90475840]

約数ペア:

[(1, 90475840), (2, 45237920), (4, 22618960), (5, 18095168), (7, 12925120), (8, 11309480), (10, 9047584), (13, 6959680), (14, 6462560), (16, 5654740), (20, 4523792), (26, 3479840), (28, 3231280), (32, 2827370), (35, 2585024), (40, 2261896), (52, 1739920), (56, 1615640), (64, 1413685), (65, 1391936), (70, 1292512), (80, 1130948), (91, 994240), (104, 869960), (112, 807820), (130, 695968), (140, 646256), (160, 565474), (169, 535360), (182, 497120), (208, 434980), (224, 403910), (239, 378560), (260, 347984), (280, 323128), (320, 282737), (338, 267680), (364, 248560), (416, 217490), (448, 201955), (455, 198848), (478, 189280), (520, 173992), (560, 161564), (676, 133840), (728, 124280), (832, 108745), (845, 107072), (910, 99424), (956, 94640), (1040, 86996), (1120, 80782), (1183, 76480), (1195, 75712), (1352, 66920), (1456, 62140), (1673, 54080), (1690, 53536), (1820, 49712), (1912, 47320), (2080, 43498), (2240, 40391), (2366, 38240), (2390, 37856), (2704, 33460), (2912, 31070), (3107, 29120), (3346, 27040), (3380, 26768), (3640, 24856), (3824, 23660), (4160, 21749), (4732, 19120), (4780, 18928), (5408, 16730), (5824, 15535), (5915, 15296), (6214, 14560), (6692, 13520), (6760, 13384), (7280, 12428), (7648, 11830), (8365, 10816), (9464, 9560)]