28382760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1609}}^1$

素因数の和:1640

約数の個数: 144

約数和(自身を含む): 107370900

約数和(自身を除く): 78988140

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, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1609, 1764, 1960, 2205, 2520, 2940, 3218, 3528, 4410, 4827, 5880, 6436, 8045, 8820, 9654, 11263, 12872, 14481, 16090, 17640, 19308, 22526, 24135, 28962, 32180, 33789, 38616, 45052, 48270, 56315, 57924, 64360, 67578, 72405, 78841, 90104, 96540, 101367, 112630, 115848, 135156, 144810, 157682, 168945, 193080, 202734, 225260, 236523, 270312, 289620, 315364, 337890, 394205, 405468, 450520, 473046, 506835, 579240, 630728, 675780, 709569, 788410, 810936, 946092, 1013670, 1182615, 1351560, 1419138, 1576820, 1892184, 2027340, 2365230, 2838276, 3153640, 3547845, 4054680, 4730460, 5676552, 7095690, 9460920, 14191380, 28382760]

約数ペア:

[(1, 28382760), (2, 14191380), (3, 9460920), (4, 7095690), (5, 5676552), (6, 4730460), (7, 4054680), (8, 3547845), (9, 3153640), (10, 2838276), (12, 2365230), (14, 2027340), (15, 1892184), (18, 1576820), (20, 1419138), (21, 1351560), (24, 1182615), (28, 1013670), (30, 946092), (35, 810936), (36, 788410), (40, 709569), (42, 675780), (45, 630728), (49, 579240), (56, 506835), (60, 473046), (63, 450520), (70, 405468), (72, 394205), (84, 337890), (90, 315364), (98, 289620), (105, 270312), (120, 236523), (126, 225260), (140, 202734), (147, 193080), (168, 168945), (180, 157682), (196, 144810), (210, 135156), (245, 115848), (252, 112630), (280, 101367), (294, 96540), (315, 90104), (360, 78841), (392, 72405), (420, 67578), (441, 64360), (490, 57924), (504, 56315), (588, 48270), (630, 45052), (735, 38616), (840, 33789), (882, 32180), (980, 28962), (1176, 24135), (1260, 22526), (1470, 19308), (1609, 17640), (1764, 16090), (1960, 14481), (2205, 12872), (2520, 11263), (2940, 9654), (3218, 8820), (3528, 8045), (4410, 6436), (4827, 5880)]