15217440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{647}}^1$

素因数の和:679

約数の個数: 144

約数和(自身を含む): 55847232

約数和(自身を除く): 40629792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 647, 672, 735, 784, 840, 980, 1120, 1176, 1294, 1470, 1568, 1680, 1941, 1960, 2352, 2588, 2940, 3235, 3360, 3882, 3920, 4529, 4704, 5176, 5880, 6470, 7764, 7840, 9058, 9705, 10352, 11760, 12940, 13587, 15528, 18116, 19410, 20704, 22645, 23520, 25880, 27174, 31056, 31703, 36232, 38820, 45290, 51760, 54348, 62112, 63406, 67935, 72464, 77640, 90580, 95109, 103520, 108696, 126812, 135870, 144928, 155280, 158515, 181160, 190218, 217392, 253624, 271740, 310560, 317030, 362320, 380436, 434784, 475545, 507248, 543480, 634060, 724640, 760872, 951090, 1014496, 1086960, 1268120, 1521744, 1902180, 2173920, 2536240, 3043488, 3804360, 5072480, 7608720, 15217440]

約数ペア:

[(1, 15217440), (2, 7608720), (3, 5072480), (4, 3804360), (5, 3043488), (6, 2536240), (7, 2173920), (8, 1902180), (10, 1521744), (12, 1268120), (14, 1086960), (15, 1014496), (16, 951090), (20, 760872), (21, 724640), (24, 634060), (28, 543480), (30, 507248), (32, 475545), (35, 434784), (40, 380436), (42, 362320), (48, 317030), (49, 310560), (56, 271740), (60, 253624), (70, 217392), (80, 190218), (84, 181160), (96, 158515), (98, 155280), (105, 144928), (112, 135870), (120, 126812), (140, 108696), (147, 103520), (160, 95109), (168, 90580), (196, 77640), (210, 72464), (224, 67935), (240, 63406), (245, 62112), (280, 54348), (294, 51760), (336, 45290), (392, 38820), (420, 36232), (480, 31703), (490, 31056), (560, 27174), (588, 25880), (647, 23520), (672, 22645), (735, 20704), (784, 19410), (840, 18116), (980, 15528), (1120, 13587), (1176, 12940), (1294, 11760), (1470, 10352), (1568, 9705), (1680, 9058), (1941, 7840), (1960, 7764), (2352, 6470), (2588, 5880), (2940, 5176), (3235, 4704), (3360, 4529), (3882, 3920)]