28377720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11261}}^1$

素因数の和:11285

約数の個数: 96

約数和(自身を含む): 105412320

約数和(自身を除く): 77034600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 11261, 22522, 33783, 45044, 56305, 67566, 78827, 90088, 101349, 112610, 135132, 157654, 168915, 202698, 225220, 236481, 270264, 315308, 337830, 394135, 405396, 450440, 472962, 506745, 630616, 675660, 709443, 788270, 810792, 945924, 1013490, 1182405, 1351320, 1418886, 1576540, 1891848, 2026980, 2364810, 2837772, 3153080, 3547215, 4053960, 4729620, 5675544, 7094430, 9459240, 14188860, 28377720]

約数ペア:

[(1, 28377720), (2, 14188860), (3, 9459240), (4, 7094430), (5, 5675544), (6, 4729620), (7, 4053960), (8, 3547215), (9, 3153080), (10, 2837772), (12, 2364810), (14, 2026980), (15, 1891848), (18, 1576540), (20, 1418886), (21, 1351320), (24, 1182405), (28, 1013490), (30, 945924), (35, 810792), (36, 788270), (40, 709443), (42, 675660), (45, 630616), (56, 506745), (60, 472962), (63, 450440), (70, 405396), (72, 394135), (84, 337830), (90, 315308), (105, 270264), (120, 236481), (126, 225220), (140, 202698), (168, 168915), (180, 157654), (210, 135132), (252, 112610), (280, 101349), (315, 90088), (360, 78827), (420, 67566), (504, 56305), (630, 45044), (840, 33783), (1260, 22522), (2520, 11261)]