16985520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:811

約数の個数: 120

約数和(自身を含む): 58960512

約数和(自身を除く): 41974992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 761, 930, 1116, 1240, 1395, 1488, 1522, 1860, 2232, 2283, 2480, 2790, 3044, 3720, 3805, 4464, 4566, 5580, 6088, 6849, 7440, 7610, 9132, 11160, 11415, 12176, 13698, 15220, 18264, 22320, 22830, 23591, 27396, 30440, 34245, 36528, 45660, 47182, 54792, 60880, 68490, 70773, 91320, 94364, 109584, 117955, 136980, 141546, 182640, 188728, 212319, 235910, 273960, 283092, 353865, 377456, 424638, 471820, 547920, 566184, 707730, 849276, 943640, 1061595, 1132368, 1415460, 1698552, 1887280, 2123190, 2830920, 3397104, 4246380, 5661840, 8492760, 16985520]

約数ペア:

[(1, 16985520), (2, 8492760), (3, 5661840), (4, 4246380), (5, 3397104), (6, 2830920), (8, 2123190), (9, 1887280), (10, 1698552), (12, 1415460), (15, 1132368), (16, 1061595), (18, 943640), (20, 849276), (24, 707730), (30, 566184), (31, 547920), (36, 471820), (40, 424638), (45, 377456), (48, 353865), (60, 283092), (62, 273960), (72, 235910), (80, 212319), (90, 188728), (93, 182640), (120, 141546), (124, 136980), (144, 117955), (155, 109584), (180, 94364), (186, 91320), (240, 70773), (248, 68490), (279, 60880), (310, 54792), (360, 47182), (372, 45660), (465, 36528), (496, 34245), (558, 30440), (620, 27396), (720, 23591), (744, 22830), (761, 22320), (930, 18264), (1116, 15220), (1240, 13698), (1395, 12176), (1488, 11415), (1522, 11160), (1860, 9132), (2232, 7610), (2283, 7440), (2480, 6849), (2790, 6088), (3044, 5580), (3720, 4566), (3805, 4464)]