15879240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 240

約数和(自身を含む): 59786100

約数和(自身を除く): 43906860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 29, 30, 36, 39, 40, 45, 52, 54, 58, 60, 65, 72, 78, 81, 87, 90, 104, 108, 116, 117, 120, 130, 135, 145, 156, 162, 169, 174, 180, 195, 216, 232, 234, 260, 261, 270, 290, 312, 324, 338, 348, 351, 360, 377, 390, 405, 435, 468, 507, 520, 522, 540, 580, 585, 648, 676, 696, 702, 754, 780, 783, 810, 845, 870, 936, 1014, 1044, 1053, 1080, 1131, 1160, 1170, 1305, 1352, 1404, 1508, 1521, 1560, 1566, 1620, 1690, 1740, 1755, 1885, 2028, 2088, 2106, 2262, 2340, 2349, 2535, 2610, 2808, 3016, 3042, 3132, 3240, 3380, 3393, 3480, 3510, 3770, 3915, 4056, 4212, 4524, 4563, 4680, 4698, 4901, 5070, 5220, 5265, 5655, 6084, 6264, 6760, 6786, 7020, 7540, 7605, 7830, 8424, 9048, 9126, 9396, 9802, 10140, 10179, 10440, 10530, 11310, 11745, 12168, 13572, 13689, 14040, 14703, 15080, 15210, 15660, 16965, 18252, 18792, 19604, 20280, 20358, 21060, 22620, 22815, 23490, 24505, 27144, 27378, 29406, 30420, 30537, 31320, 33930, 36504, 39208, 40716, 42120, 44109, 45240, 45630, 46980, 49010, 50895, 54756, 58812, 60840, 61074, 67860, 68445, 73515, 81432, 88218, 91260, 93960, 98020, 101790, 109512, 117624, 122148, 132327, 135720, 136890, 147030, 152685, 176436, 182520, 196040, 203580, 220545, 244296, 264654, 273780, 294060, 305370, 352872, 396981, 407160, 441090, 529308, 547560, 588120, 610740, 661635, 793962, 882180, 1058616, 1221480, 1323270, 1587924, 1764360, 1984905, 2646540, 3175848, 3969810, 5293080, 7939620, 15879240]

約数ペア:

[(1, 15879240), (2, 7939620), (3, 5293080), (4, 3969810), (5, 3175848), (6, 2646540), (8, 1984905), (9, 1764360), (10, 1587924), (12, 1323270), (13, 1221480), (15, 1058616), (18, 882180), (20, 793962), (24, 661635), (26, 610740), (27, 588120), (29, 547560), (30, 529308), (36, 441090), (39, 407160), (40, 396981), (45, 352872), (52, 305370), (54, 294060), (58, 273780), (60, 264654), (65, 244296), (72, 220545), (78, 203580), (81, 196040), (87, 182520), (90, 176436), (104, 152685), (108, 147030), (116, 136890), (117, 135720), (120, 132327), (130, 122148), (135, 117624), (145, 109512), (156, 101790), (162, 98020), (169, 93960), (174, 91260), (180, 88218), (195, 81432), (216, 73515), (232, 68445), (234, 67860), (260, 61074), (261, 60840), (270, 58812), (290, 54756), (312, 50895), (324, 49010), (338, 46980), (348, 45630), (351, 45240), (360, 44109), (377, 42120), (390, 40716), (405, 39208), (435, 36504), (468, 33930), (507, 31320), (520, 30537), (522, 30420), (540, 29406), (580, 27378), (585, 27144), (648, 24505), (676, 23490), (696, 22815), (702, 22620), (754, 21060), (780, 20358), (783, 20280), (810, 19604), (845, 18792), (870, 18252), (936, 16965), (1014, 15660), (1044, 15210), (1053, 15080), (1080, 14703), (1131, 14040), (1160, 13689), (1170, 13572), (1305, 12168), (1352, 11745), (1404, 11310), (1508, 10530), (1521, 10440), (1560, 10179), (1566, 10140), (1620, 9802), (1690, 9396), (1740, 9126), (1755, 9048), (1885, 8424), (2028, 7830), (2088, 7605), (2106, 7540), (2262, 7020), (2340, 6786), (2349, 6760), (2535, 6264), (2610, 6084), (2808, 5655), (3016, 5265), (3042, 5220), (3132, 5070), (3240, 4901), (3380, 4698), (3393, 4680), (3480, 4563), (3510, 4524), (3770, 4212), (3915, 4056)]