163875920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 470541312

約数和(自身を除く): 306665392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 26, 31, 34, 40, 46, 52, 62, 65, 68, 80, 85, 92, 104, 115, 124, 130, 136, 155, 169, 170, 184, 208, 221, 230, 248, 260, 272, 299, 310, 338, 340, 368, 391, 403, 442, 460, 496, 520, 527, 598, 620, 676, 680, 713, 782, 806, 845, 884, 920, 1040, 1054, 1105, 1196, 1240, 1352, 1360, 1426, 1495, 1564, 1612, 1690, 1768, 1840, 1955, 2015, 2108, 2210, 2392, 2480, 2635, 2704, 2852, 2873, 2990, 3128, 3224, 3380, 3536, 3565, 3887, 3910, 4030, 4216, 4420, 4784, 5083, 5239, 5270, 5704, 5746, 5980, 6256, 6448, 6760, 6851, 7130, 7774, 7820, 8060, 8432, 8840, 9269, 10166, 10478, 10540, 11408, 11492, 11960, 12121, 13520, 13702, 14260, 14365, 15548, 15640, 16120, 17680, 18538, 19435, 20332, 20956, 21080, 22984, 23920, 24242, 25415, 26195, 27404, 28520, 28730, 31096, 31280, 32240, 34255, 37076, 38870, 40664, 41912, 42160, 45968, 46345, 48484, 50830, 52390, 54808, 57040, 57460, 60605, 62192, 66079, 68510, 74152, 77740, 81328, 83824, 89063, 92690, 96968, 101660, 104780, 109616, 114920, 120497, 121210, 132158, 137020, 148304, 155480, 157573, 178126, 185380, 193936, 203320, 209560, 229840, 240994, 242420, 264316, 274040, 310960, 315146, 330395, 356252, 370760, 406640, 419120, 445315, 481988, 484840, 528632, 548080, 602485, 630292, 660790, 712504, 741520, 787865, 890630, 963976, 969680, 1057264, 1204970, 1260584, 1321580, 1425008, 1575730, 1781260, 1927952, 2048449, 2409940, 2521168, 2643160, 3151460, 3562520, 4096898, 4819880, 5286320, 6302920, 7125040, 8193796, 9639760, 10242245, 12605840, 16387592, 20484490, 32775184, 40968980, 81937960, 163875920]

約数ペア:

[(1, 163875920), (2, 81937960), (4, 40968980), (5, 32775184), (8, 20484490), (10, 16387592), (13, 12605840), (16, 10242245), (17, 9639760), (20, 8193796), (23, 7125040), (26, 6302920), (31, 5286320), (34, 4819880), (40, 4096898), (46, 3562520), (52, 3151460), (62, 2643160), (65, 2521168), (68, 2409940), (80, 2048449), (85, 1927952), (92, 1781260), (104, 1575730), (115, 1425008), (124, 1321580), (130, 1260584), (136, 1204970), (155, 1057264), (169, 969680), (170, 963976), (184, 890630), (208, 787865), (221, 741520), (230, 712504), (248, 660790), (260, 630292), (272, 602485), (299, 548080), (310, 528632), (338, 484840), (340, 481988), (368, 445315), (391, 419120), (403, 406640), (442, 370760), (460, 356252), (496, 330395), (520, 315146), (527, 310960), (598, 274040), (620, 264316), (676, 242420), (680, 240994), (713, 229840), (782, 209560), (806, 203320), (845, 193936), (884, 185380), (920, 178126), (1040, 157573), (1054, 155480), (1105, 148304), (1196, 137020), (1240, 132158), (1352, 121210), (1360, 120497), (1426, 114920), (1495, 109616), (1564, 104780), (1612, 101660), (1690, 96968), (1768, 92690), (1840, 89063), (1955, 83824), (2015, 81328), (2108, 77740), (2210, 74152), (2392, 68510), (2480, 66079), (2635, 62192), (2704, 60605), (2852, 57460), (2873, 57040), (2990, 54808), (3128, 52390), (3224, 50830), (3380, 48484), (3536, 46345), (3565, 45968), (3887, 42160), (3910, 41912), (4030, 40664), (4216, 38870), (4420, 37076), (4784, 34255), (5083, 32240), (5239, 31280), (5270, 31096), (5704, 28730), (5746, 28520), (5980, 27404), (6256, 26195), (6448, 25415), (6760, 24242), (6851, 23920), (7130, 22984), (7774, 21080), (7820, 20956), (8060, 20332), (8432, 19435), (8840, 18538), (9269, 17680), (10166, 16120), (10478, 15640), (10540, 15548), (11408, 14365), (11492, 14260), (11960, 13702), (12121, 13520)]