27881880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 91869120

約数和(自身を除く): 63987240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 293, 305, 312, 366, 390, 488, 520, 586, 610, 732, 780, 793, 879, 915, 1172, 1220, 1464, 1465, 1560, 1586, 1758, 1830, 2344, 2379, 2440, 2930, 3172, 3516, 3660, 3809, 3965, 4395, 4758, 5860, 6344, 7032, 7320, 7618, 7930, 8790, 9516, 11427, 11720, 11895, 15236, 15860, 17580, 17873, 19032, 19045, 22854, 23790, 30472, 31720, 35160, 35746, 38090, 45708, 47580, 53619, 57135, 71492, 76180, 89365, 91416, 95160, 107238, 114270, 142984, 152360, 178730, 214476, 228540, 232349, 268095, 357460, 428952, 457080, 464698, 536190, 697047, 714920, 929396, 1072380, 1161745, 1394094, 1858792, 2144760, 2323490, 2788188, 3485235, 4646980, 5576376, 6970470, 9293960, 13940940, 27881880]

約数ペア:

[(1, 27881880), (2, 13940940), (3, 9293960), (4, 6970470), (5, 5576376), (6, 4646980), (8, 3485235), (10, 2788188), (12, 2323490), (13, 2144760), (15, 1858792), (20, 1394094), (24, 1161745), (26, 1072380), (30, 929396), (39, 714920), (40, 697047), (52, 536190), (60, 464698), (61, 457080), (65, 428952), (78, 357460), (104, 268095), (120, 232349), (122, 228540), (130, 214476), (156, 178730), (183, 152360), (195, 142984), (244, 114270), (260, 107238), (293, 95160), (305, 91416), (312, 89365), (366, 76180), (390, 71492), (488, 57135), (520, 53619), (586, 47580), (610, 45708), (732, 38090), (780, 35746), (793, 35160), (879, 31720), (915, 30472), (1172, 23790), (1220, 22854), (1464, 19045), (1465, 19032), (1560, 17873), (1586, 17580), (1758, 15860), (1830, 15236), (2344, 11895), (2379, 11720), (2440, 11427), (2930, 9516), (3172, 8790), (3516, 7930), (3660, 7618), (3809, 7320), (3965, 7032), (4395, 6344), (4758, 5860)]