78700480

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 168

約数和(自身を含む): 213347808

約数和(自身を除く): 134647328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 37, 40, 46, 64, 68, 74, 80, 85, 92, 115, 136, 148, 160, 170, 184, 185, 230, 272, 289, 296, 320, 340, 368, 370, 391, 460, 544, 578, 592, 629, 680, 736, 740, 782, 851, 920, 1088, 1156, 1184, 1258, 1360, 1445, 1472, 1480, 1564, 1702, 1840, 1955, 2312, 2368, 2516, 2720, 2890, 2960, 3128, 3145, 3404, 3680, 3910, 4255, 4624, 5032, 5440, 5780, 5920, 6256, 6290, 6647, 6808, 7360, 7820, 8510, 9248, 10064, 10693, 11560, 11840, 12512, 12580, 13294, 13616, 14467, 15640, 17020, 18496, 20128, 21386, 23120, 25024, 25160, 26588, 27232, 28934, 31280, 33235, 34040, 40256, 42772, 46240, 50320, 53176, 53465, 54464, 57868, 62560, 66470, 68080, 72335, 85544, 92480, 100640, 106352, 106930, 115736, 125120, 132940, 136160, 144670, 171088, 201280, 212704, 213860, 231472, 245939, 265880, 272320, 289340, 342176, 425408, 427720, 462944, 491878, 531760, 578680, 684352, 855440, 925888, 983756, 1063520, 1157360, 1229695, 1710880, 1967512, 2127040, 2314720, 2459390, 3421760, 3935024, 4629440, 4918780, 7870048, 9837560, 15740096, 19675120, 39350240, 78700480]

約数ペア:

[(1, 78700480), (2, 39350240), (4, 19675120), (5, 15740096), (8, 9837560), (10, 7870048), (16, 4918780), (17, 4629440), (20, 3935024), (23, 3421760), (32, 2459390), (34, 2314720), (37, 2127040), (40, 1967512), (46, 1710880), (64, 1229695), (68, 1157360), (74, 1063520), (80, 983756), (85, 925888), (92, 855440), (115, 684352), (136, 578680), (148, 531760), (160, 491878), (170, 462944), (184, 427720), (185, 425408), (230, 342176), (272, 289340), (289, 272320), (296, 265880), (320, 245939), (340, 231472), (368, 213860), (370, 212704), (391, 201280), (460, 171088), (544, 144670), (578, 136160), (592, 132940), (629, 125120), (680, 115736), (736, 106930), (740, 106352), (782, 100640), (851, 92480), (920, 85544), (1088, 72335), (1156, 68080), (1184, 66470), (1258, 62560), (1360, 57868), (1445, 54464), (1472, 53465), (1480, 53176), (1564, 50320), (1702, 46240), (1840, 42772), (1955, 40256), (2312, 34040), (2368, 33235), (2516, 31280), (2720, 28934), (2890, 27232), (2960, 26588), (3128, 25160), (3145, 25024), (3404, 23120), (3680, 21386), (3910, 20128), (4255, 18496), (4624, 17020), (5032, 15640), (5440, 14467), (5780, 13616), (5920, 13294), (6256, 12580), (6290, 12512), (6647, 11840), (6808, 11560), (7360, 10693), (7820, 10064), (8510, 9248)]