19520760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1367}}^1$

素因数の和:1405

約数の個数: 128

約数和(自身を含む): 70917120

約数和(自身を除く): 51396360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1367, 1428, 1785, 2040, 2380, 2734, 2856, 3570, 4101, 4760, 5468, 6835, 7140, 8202, 9569, 10936, 13670, 14280, 16404, 19138, 20505, 23239, 27340, 28707, 32808, 38276, 41010, 46478, 47845, 54680, 57414, 69717, 76552, 82020, 92956, 95690, 114828, 116195, 139434, 143535, 162673, 164040, 185912, 191380, 229656, 232390, 278868, 287070, 325346, 348585, 382760, 464780, 488019, 557736, 574140, 650692, 697170, 813365, 929560, 976038, 1148280, 1301384, 1394340, 1626730, 1952076, 2440095, 2788680, 3253460, 3904152, 4880190, 6506920, 9760380, 19520760]

約数ペア:

[(1, 19520760), (2, 9760380), (3, 6506920), (4, 4880190), (5, 3904152), (6, 3253460), (7, 2788680), (8, 2440095), (10, 1952076), (12, 1626730), (14, 1394340), (15, 1301384), (17, 1148280), (20, 976038), (21, 929560), (24, 813365), (28, 697170), (30, 650692), (34, 574140), (35, 557736), (40, 488019), (42, 464780), (51, 382760), (56, 348585), (60, 325346), (68, 287070), (70, 278868), (84, 232390), (85, 229656), (102, 191380), (105, 185912), (119, 164040), (120, 162673), (136, 143535), (140, 139434), (168, 116195), (170, 114828), (204, 95690), (210, 92956), (238, 82020), (255, 76552), (280, 69717), (340, 57414), (357, 54680), (408, 47845), (420, 46478), (476, 41010), (510, 38276), (595, 32808), (680, 28707), (714, 27340), (840, 23239), (952, 20505), (1020, 19138), (1190, 16404), (1367, 14280), (1428, 13670), (1785, 10936), (2040, 9569), (2380, 8202), (2734, 7140), (2856, 6835), (3570, 5468), (4101, 4760)]