15715140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 55738368

約数和(自身を除く): 40023228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 51, 60, 62, 68, 70, 71, 84, 85, 93, 102, 105, 119, 124, 140, 142, 155, 170, 186, 204, 210, 213, 217, 238, 255, 284, 310, 340, 355, 357, 372, 420, 426, 434, 465, 476, 497, 510, 527, 595, 620, 651, 710, 714, 852, 868, 930, 994, 1020, 1054, 1065, 1085, 1190, 1207, 1302, 1420, 1428, 1491, 1581, 1785, 1860, 1988, 2108, 2130, 2170, 2201, 2380, 2414, 2485, 2604, 2635, 2982, 3162, 3255, 3570, 3621, 3689, 4260, 4340, 4402, 4828, 4970, 5270, 5964, 6035, 6324, 6510, 6603, 7140, 7242, 7378, 7455, 7905, 8449, 8804, 9940, 10540, 11005, 11067, 12070, 13020, 13206, 14484, 14756, 14910, 15407, 15810, 16898, 18105, 18445, 22010, 22134, 24140, 25347, 26412, 29820, 30814, 31620, 33015, 33796, 36210, 36890, 37417, 42245, 44020, 44268, 46221, 50694, 55335, 61628, 66030, 72420, 73780, 74834, 77035, 84490, 92442, 101388, 110670, 112251, 126735, 132060, 149668, 154070, 168980, 184884, 187085, 221340, 224502, 231105, 253470, 261919, 308140, 374170, 449004, 462210, 506940, 523838, 561255, 748340, 785757, 924420, 1047676, 1122510, 1309595, 1571514, 2245020, 2619190, 3143028, 3928785, 5238380, 7857570, 15715140]

約数ペア:

[(1, 15715140), (2, 7857570), (3, 5238380), (4, 3928785), (5, 3143028), (6, 2619190), (7, 2245020), (10, 1571514), (12, 1309595), (14, 1122510), (15, 1047676), (17, 924420), (20, 785757), (21, 748340), (28, 561255), (30, 523838), (31, 506940), (34, 462210), (35, 449004), (42, 374170), (51, 308140), (60, 261919), (62, 253470), (68, 231105), (70, 224502), (71, 221340), (84, 187085), (85, 184884), (93, 168980), (102, 154070), (105, 149668), (119, 132060), (124, 126735), (140, 112251), (142, 110670), (155, 101388), (170, 92442), (186, 84490), (204, 77035), (210, 74834), (213, 73780), (217, 72420), (238, 66030), (255, 61628), (284, 55335), (310, 50694), (340, 46221), (355, 44268), (357, 44020), (372, 42245), (420, 37417), (426, 36890), (434, 36210), (465, 33796), (476, 33015), (497, 31620), (510, 30814), (527, 29820), (595, 26412), (620, 25347), (651, 24140), (710, 22134), (714, 22010), (852, 18445), (868, 18105), (930, 16898), (994, 15810), (1020, 15407), (1054, 14910), (1065, 14756), (1085, 14484), (1190, 13206), (1207, 13020), (1302, 12070), (1420, 11067), (1428, 11005), (1491, 10540), (1581, 9940), (1785, 8804), (1860, 8449), (1988, 7905), (2108, 7455), (2130, 7378), (2170, 7242), (2201, 7140), (2380, 6603), (2414, 6510), (2485, 6324), (2604, 6035), (2635, 5964), (2982, 5270), (3162, 4970), (3255, 4828), (3570, 4402), (3621, 4340), (3689, 4260)]