18139800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{617}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 65520360

約数和(自身を除く): 47380560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 617, 700, 735, 840, 980, 1050, 1176, 1225, 1234, 1400, 1470, 1851, 1960, 2100, 2450, 2468, 2940, 3085, 3675, 3702, 4200, 4319, 4900, 4936, 5880, 6170, 7350, 7404, 8638, 9255, 9800, 12340, 12957, 14700, 14808, 15425, 17276, 18510, 21595, 24680, 25914, 29400, 30233, 30850, 34552, 37020, 43190, 46275, 51828, 60466, 61700, 64785, 74040, 86380, 90699, 92550, 103656, 107975, 120932, 123400, 129570, 151165, 172760, 181398, 185100, 215950, 241864, 259140, 302330, 323925, 362796, 370200, 431900, 453495, 518280, 604660, 647850, 725592, 755825, 863800, 906990, 1209320, 1295700, 1511650, 1813980, 2267475, 2591400, 3023300, 3627960, 4534950, 6046600, 9069900, 18139800]

約数ペア:

[(1, 18139800), (2, 9069900), (3, 6046600), (4, 4534950), (5, 3627960), (6, 3023300), (7, 2591400), (8, 2267475), (10, 1813980), (12, 1511650), (14, 1295700), (15, 1209320), (20, 906990), (21, 863800), (24, 755825), (25, 725592), (28, 647850), (30, 604660), (35, 518280), (40, 453495), (42, 431900), (49, 370200), (50, 362796), (56, 323925), (60, 302330), (70, 259140), (75, 241864), (84, 215950), (98, 185100), (100, 181398), (105, 172760), (120, 151165), (140, 129570), (147, 123400), (150, 120932), (168, 107975), (175, 103656), (196, 92550), (200, 90699), (210, 86380), (245, 74040), (280, 64785), (294, 61700), (300, 60466), (350, 51828), (392, 46275), (420, 43190), (490, 37020), (525, 34552), (588, 30850), (600, 30233), (617, 29400), (700, 25914), (735, 24680), (840, 21595), (980, 18510), (1050, 17276), (1176, 15425), (1225, 14808), (1234, 14700), (1400, 12957), (1470, 12340), (1851, 9800), (1960, 9255), (2100, 8638), (2450, 7404), (2468, 7350), (2940, 6170), (3085, 5880), (3675, 4936), (3702, 4900), (4200, 4319)]