15937740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 216

約数和(自身を含む): 60999120

約数和(自身を除く): 45061380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 139, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 278, 294, 315, 364, 390, 417, 420, 441, 455, 468, 490, 546, 556, 585, 588, 630, 637, 695, 735, 780, 819, 834, 882, 910, 973, 980, 1092, 1170, 1251, 1260, 1274, 1365, 1390, 1470, 1638, 1668, 1764, 1807, 1820, 1911, 1946, 2085, 2205, 2340, 2502, 2548, 2730, 2780, 2919, 2940, 3185, 3276, 3614, 3822, 3892, 4095, 4170, 4410, 4865, 5004, 5421, 5460, 5733, 5838, 6255, 6370, 6811, 7228, 7644, 8190, 8340, 8757, 8820, 9035, 9555, 9730, 10842, 11466, 11676, 12510, 12649, 12740, 13622, 14595, 16263, 16380, 17514, 18070, 19110, 19460, 20433, 21684, 22932, 25020, 25298, 27105, 27244, 28665, 29190, 32526, 34055, 35028, 36140, 37947, 38220, 40866, 43785, 50596, 54210, 57330, 58380, 61299, 63245, 65052, 68110, 75894, 81315, 81732, 87570, 88543, 102165, 108420, 113841, 114660, 122598, 126490, 136220, 151788, 162630, 175140, 177086, 189735, 204330, 227682, 245196, 252980, 265629, 306495, 325260, 354172, 379470, 408660, 442715, 455364, 531258, 569205, 612990, 758940, 796887, 885430, 1062516, 1138410, 1225980, 1328145, 1593774, 1770860, 2276820, 2656290, 3187548, 3984435, 5312580, 7968870, 15937740]

約数ペア:

[(1, 15937740), (2, 7968870), (3, 5312580), (4, 3984435), (5, 3187548), (6, 2656290), (7, 2276820), (9, 1770860), (10, 1593774), (12, 1328145), (13, 1225980), (14, 1138410), (15, 1062516), (18, 885430), (20, 796887), (21, 758940), (26, 612990), (28, 569205), (30, 531258), (35, 455364), (36, 442715), (39, 408660), (42, 379470), (45, 354172), (49, 325260), (52, 306495), (60, 265629), (63, 252980), (65, 245196), (70, 227682), (78, 204330), (84, 189735), (90, 177086), (91, 175140), (98, 162630), (105, 151788), (117, 136220), (126, 126490), (130, 122598), (139, 114660), (140, 113841), (147, 108420), (156, 102165), (180, 88543), (182, 87570), (195, 81732), (196, 81315), (210, 75894), (234, 68110), (245, 65052), (252, 63245), (260, 61299), (273, 58380), (278, 57330), (294, 54210), (315, 50596), (364, 43785), (390, 40866), (417, 38220), (420, 37947), (441, 36140), (455, 35028), (468, 34055), (490, 32526), (546, 29190), (556, 28665), (585, 27244), (588, 27105), (630, 25298), (637, 25020), (695, 22932), (735, 21684), (780, 20433), (819, 19460), (834, 19110), (882, 18070), (910, 17514), (973, 16380), (980, 16263), (1092, 14595), (1170, 13622), (1251, 12740), (1260, 12649), (1274, 12510), (1365, 11676), (1390, 11466), (1470, 10842), (1638, 9730), (1668, 9555), (1764, 9035), (1807, 8820), (1820, 8757), (1911, 8340), (1946, 8190), (2085, 7644), (2205, 7228), (2340, 6811), (2502, 6370), (2548, 6255), (2730, 5838), (2780, 5733), (2919, 5460), (2940, 5421), (3185, 5004), (3276, 4865), (3614, 4410), (3822, 4170), (3892, 4095)]