18491040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12841}}^1$

素因数の和:12862

約数の個数: 72

約数和(自身を含む): 63105588

約数和(自身を除く): 44614548

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12841, 25682, 38523, 51364, 64205, 77046, 102728, 115569, 128410, 154092, 192615, 205456, 231138, 256820, 308184, 385230, 410912, 462276, 513640, 577845, 616368, 770460, 924552, 1027280, 1155690, 1232736, 1540920, 1849104, 2054560, 2311380, 3081840, 3698208, 4622760, 6163680, 9245520, 18491040]

約数ペア:

[(1, 18491040), (2, 9245520), (3, 6163680), (4, 4622760), (5, 3698208), (6, 3081840), (8, 2311380), (9, 2054560), (10, 1849104), (12, 1540920), (15, 1232736), (16, 1155690), (18, 1027280), (20, 924552), (24, 770460), (30, 616368), (32, 577845), (36, 513640), (40, 462276), (45, 410912), (48, 385230), (60, 308184), (72, 256820), (80, 231138), (90, 205456), (96, 192615), (120, 154092), (144, 128410), (160, 115569), (180, 102728), (240, 77046), (288, 64205), (360, 51364), (480, 38523), (720, 25682), (1440, 12841)]