78480840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 261711360

約数和(自身を除く): 183230520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 73, 85, 93, 102, 120, 124, 136, 146, 155, 170, 186, 204, 219, 248, 255, 289, 292, 310, 340, 365, 372, 408, 438, 465, 510, 527, 578, 584, 620, 680, 730, 744, 867, 876, 930, 1020, 1054, 1095, 1156, 1240, 1241, 1445, 1460, 1581, 1734, 1752, 1860, 2040, 2108, 2190, 2263, 2312, 2482, 2635, 2890, 2920, 3162, 3468, 3720, 3723, 4216, 4335, 4380, 4526, 4964, 5270, 5780, 6205, 6324, 6789, 6936, 7446, 7905, 8670, 8760, 8959, 9052, 9928, 10540, 11315, 11560, 12410, 12648, 13578, 14892, 15810, 17340, 17918, 18104, 18615, 21080, 21097, 22630, 24820, 26877, 27156, 29784, 31620, 33945, 34680, 35836, 37230, 38471, 42194, 44795, 45260, 49640, 53754, 54312, 63240, 63291, 67890, 71672, 74460, 76942, 84388, 89590, 90520, 105485, 107508, 115413, 126582, 134385, 135780, 148920, 153884, 168776, 179180, 192355, 210970, 215016, 230826, 253164, 268770, 271560, 307768, 316455, 358360, 384710, 421940, 461652, 506328, 537540, 577065, 632910, 654007, 769420, 843880, 923304, 1075080, 1154130, 1265820, 1308014, 1538840, 1962021, 2308260, 2531640, 2616028, 3270035, 3924042, 4616520, 5232056, 6540070, 7848084, 9810105, 13080140, 15696168, 19620210, 26160280, 39240420, 78480840]

約数ペア:

[(1, 78480840), (2, 39240420), (3, 26160280), (4, 19620210), (5, 15696168), (6, 13080140), (8, 9810105), (10, 7848084), (12, 6540070), (15, 5232056), (17, 4616520), (20, 3924042), (24, 3270035), (30, 2616028), (31, 2531640), (34, 2308260), (40, 1962021), (51, 1538840), (60, 1308014), (62, 1265820), (68, 1154130), (73, 1075080), (85, 923304), (93, 843880), (102, 769420), (120, 654007), (124, 632910), (136, 577065), (146, 537540), (155, 506328), (170, 461652), (186, 421940), (204, 384710), (219, 358360), (248, 316455), (255, 307768), (289, 271560), (292, 268770), (310, 253164), (340, 230826), (365, 215016), (372, 210970), (408, 192355), (438, 179180), (465, 168776), (510, 153884), (527, 148920), (578, 135780), (584, 134385), (620, 126582), (680, 115413), (730, 107508), (744, 105485), (867, 90520), (876, 89590), (930, 84388), (1020, 76942), (1054, 74460), (1095, 71672), (1156, 67890), (1240, 63291), (1241, 63240), (1445, 54312), (1460, 53754), (1581, 49640), (1734, 45260), (1752, 44795), (1860, 42194), (2040, 38471), (2108, 37230), (2190, 35836), (2263, 34680), (2312, 33945), (2482, 31620), (2635, 29784), (2890, 27156), (2920, 26877), (3162, 24820), (3468, 22630), (3720, 21097), (3723, 21080), (4216, 18615), (4335, 18104), (4380, 17918), (4526, 17340), (4964, 15810), (5270, 14892), (5780, 13578), (6205, 12648), (6324, 12410), (6789, 11560), (6936, 11315), (7446, 10540), (7905, 9928), (8670, 9052), (8760, 8959)]