40891680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:483

約数の個数: 144

約数和(自身を含む): 141818040

約数和(自身を除く): 100926360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 219, 240, 288, 292, 360, 365, 389, 438, 480, 584, 657, 720, 730, 778, 876, 1095, 1167, 1168, 1314, 1440, 1460, 1556, 1752, 1945, 2190, 2334, 2336, 2628, 2920, 3112, 3285, 3501, 3504, 3890, 4380, 4668, 5256, 5835, 5840, 6224, 6570, 7002, 7008, 7780, 8760, 9336, 10512, 11670, 11680, 12448, 13140, 14004, 15560, 17505, 17520, 18672, 21024, 23340, 26280, 28008, 28397, 31120, 35010, 35040, 37344, 46680, 52560, 56016, 56794, 62240, 70020, 85191, 93360, 105120, 112032, 113588, 140040, 141985, 170382, 186720, 227176, 255573, 280080, 283970, 340764, 425955, 454352, 511146, 560160, 567940, 681528, 851910, 908704, 1022292, 1135880, 1277865, 1363056, 1703820, 2044584, 2271760, 2555730, 2726112, 3407640, 4089168, 4543520, 5111460, 6815280, 8178336, 10222920, 13630560, 20445840, 40891680]

約数ペア:

[(1, 40891680), (2, 20445840), (3, 13630560), (4, 10222920), (5, 8178336), (6, 6815280), (8, 5111460), (9, 4543520), (10, 4089168), (12, 3407640), (15, 2726112), (16, 2555730), (18, 2271760), (20, 2044584), (24, 1703820), (30, 1363056), (32, 1277865), (36, 1135880), (40, 1022292), (45, 908704), (48, 851910), (60, 681528), (72, 567940), (73, 560160), (80, 511146), (90, 454352), (96, 425955), (120, 340764), (144, 283970), (146, 280080), (160, 255573), (180, 227176), (219, 186720), (240, 170382), (288, 141985), (292, 140040), (360, 113588), (365, 112032), (389, 105120), (438, 93360), (480, 85191), (584, 70020), (657, 62240), (720, 56794), (730, 56016), (778, 52560), (876, 46680), (1095, 37344), (1167, 35040), (1168, 35010), (1314, 31120), (1440, 28397), (1460, 28008), (1556, 26280), (1752, 23340), (1945, 21024), (2190, 18672), (2334, 17520), (2336, 17505), (2628, 15560), (2920, 14004), (3112, 13140), (3285, 12448), (3501, 11680), (3504, 11670), (3890, 10512), (4380, 9336), (4668, 8760), (5256, 7780), (5835, 7008), (5840, 7002), (6224, 6570)]