28755720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11411}}^1$

素因数の和:11435

約数の個数: 96

約数和(自身を含む): 106816320

約数和(自身を除く): 78060600

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, 11411, 22822, 34233, 45644, 57055, 68466, 79877, 91288, 102699, 114110, 136932, 159754, 171165, 205398, 228220, 239631, 273864, 319508, 342330, 399385, 410796, 456440, 479262, 513495, 639016, 684660, 718893, 798770, 821592, 958524, 1026990, 1198155, 1369320, 1437786, 1597540, 1917048, 2053980, 2396310, 2875572, 3195080, 3594465, 4107960, 4792620, 5751144, 7188930, 9585240, 14377860, 28755720]

約数ペア:

[(1, 28755720), (2, 14377860), (3, 9585240), (4, 7188930), (5, 5751144), (6, 4792620), (7, 4107960), (8, 3594465), (9, 3195080), (10, 2875572), (12, 2396310), (14, 2053980), (15, 1917048), (18, 1597540), (20, 1437786), (21, 1369320), (24, 1198155), (28, 1026990), (30, 958524), (35, 821592), (36, 798770), (40, 718893), (42, 684660), (45, 639016), (56, 513495), (60, 479262), (63, 456440), (70, 410796), (72, 399385), (84, 342330), (90, 319508), (105, 273864), (120, 239631), (126, 228220), (140, 205398), (168, 171165), (180, 159754), (210, 136932), (252, 114110), (280, 102699), (315, 91288), (360, 79877), (420, 68466), (504, 57055), (630, 45644), (840, 34233), (1260, 22822), (2520, 11411)]