15403920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 55924992

約数和(自身を除く): 40521072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 105, 106, 112, 120, 140, 159, 168, 173, 210, 212, 240, 265, 280, 318, 336, 346, 371, 420, 424, 519, 530, 560, 636, 692, 742, 795, 840, 848, 865, 1038, 1060, 1113, 1211, 1272, 1384, 1484, 1590, 1680, 1730, 1855, 2076, 2120, 2226, 2422, 2544, 2595, 2768, 2968, 3180, 3460, 3633, 3710, 4152, 4240, 4452, 4844, 5190, 5565, 5936, 6055, 6360, 6920, 7266, 7420, 8304, 8904, 9169, 9688, 10380, 11130, 12110, 12720, 13840, 14532, 14840, 17808, 18165, 18338, 19376, 20760, 22260, 24220, 27507, 29064, 29680, 36330, 36676, 41520, 44520, 45845, 48440, 55014, 58128, 64183, 72660, 73352, 89040, 91690, 96880, 110028, 128366, 137535, 145320, 146704, 183380, 192549, 220056, 256732, 275070, 290640, 320915, 366760, 385098, 440112, 513464, 550140, 641830, 733520, 770196, 962745, 1026928, 1100280, 1283660, 1540392, 1925490, 2200560, 2567320, 3080784, 3850980, 5134640, 7701960, 15403920]

約数ペア:

[(1, 15403920), (2, 7701960), (3, 5134640), (4, 3850980), (5, 3080784), (6, 2567320), (7, 2200560), (8, 1925490), (10, 1540392), (12, 1283660), (14, 1100280), (15, 1026928), (16, 962745), (20, 770196), (21, 733520), (24, 641830), (28, 550140), (30, 513464), (35, 440112), (40, 385098), (42, 366760), (48, 320915), (53, 290640), (56, 275070), (60, 256732), (70, 220056), (80, 192549), (84, 183380), (105, 146704), (106, 145320), (112, 137535), (120, 128366), (140, 110028), (159, 96880), (168, 91690), (173, 89040), (210, 73352), (212, 72660), (240, 64183), (265, 58128), (280, 55014), (318, 48440), (336, 45845), (346, 44520), (371, 41520), (420, 36676), (424, 36330), (519, 29680), (530, 29064), (560, 27507), (636, 24220), (692, 22260), (742, 20760), (795, 19376), (840, 18338), (848, 18165), (865, 17808), (1038, 14840), (1060, 14532), (1113, 13840), (1211, 12720), (1272, 12110), (1384, 11130), (1484, 10380), (1590, 9688), (1680, 9169), (1730, 8904), (1855, 8304), (2076, 7420), (2120, 7266), (2226, 6920), (2422, 6360), (2544, 6055), (2595, 5936), (2768, 5565), (2968, 5190), (3180, 4844), (3460, 4452), (3633, 4240), (3710, 4152)]