405100480

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:806

約数の個数: 112

約数和(自身を含む): 1031991840

約数和(自身を除く): 626891360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 113, 136, 160, 170, 226, 272, 320, 340, 452, 544, 565, 659, 680, 904, 1088, 1130, 1318, 1360, 1808, 1921, 2260, 2636, 2720, 3295, 3616, 3842, 4520, 5272, 5440, 6590, 7232, 7684, 9040, 9605, 10544, 11203, 13180, 15368, 18080, 19210, 21088, 22406, 26360, 30736, 36160, 38420, 42176, 44812, 52720, 56015, 61472, 74467, 76840, 89624, 105440, 112030, 122944, 148934, 153680, 179248, 210880, 224060, 297868, 307360, 358496, 372335, 448120, 595736, 614720, 716992, 744670, 896240, 1191472, 1265939, 1489340, 1792480, 2382944, 2531878, 2978680, 3584960, 4765888, 5063756, 5957360, 6329695, 10127512, 11914720, 12659390, 20255024, 23829440, 25318780, 40510048, 50637560, 81020096, 101275120, 202550240, 405100480]

約数ペア:

[(1, 405100480), (2, 202550240), (4, 101275120), (5, 81020096), (8, 50637560), (10, 40510048), (16, 25318780), (17, 23829440), (20, 20255024), (32, 12659390), (34, 11914720), (40, 10127512), (64, 6329695), (68, 5957360), (80, 5063756), (85, 4765888), (113, 3584960), (136, 2978680), (160, 2531878), (170, 2382944), (226, 1792480), (272, 1489340), (320, 1265939), (340, 1191472), (452, 896240), (544, 744670), (565, 716992), (659, 614720), (680, 595736), (904, 448120), (1088, 372335), (1130, 358496), (1318, 307360), (1360, 297868), (1808, 224060), (1921, 210880), (2260, 179248), (2636, 153680), (2720, 148934), (3295, 122944), (3616, 112030), (3842, 105440), (4520, 89624), (5272, 76840), (5440, 74467), (6590, 61472), (7232, 56015), (7684, 52720), (9040, 44812), (9605, 42176), (10544, 38420), (11203, 36160), (13180, 30736), (15368, 26360), (18080, 22406), (19210, 21088)]