7823340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{887}}^1$

素因数の和:916

約数の個数: 108

約数和(自身を含む): 27636336

約数和(自身を除く): 19812996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 887, 980, 1260, 1470, 1764, 1774, 2205, 2661, 2940, 3548, 4410, 4435, 5322, 6209, 7983, 8820, 8870, 10644, 12418, 13305, 15966, 17740, 18627, 24836, 26610, 31045, 31932, 37254, 39915, 43463, 53220, 55881, 62090, 74508, 79830, 86926, 93135, 111762, 124180, 130389, 159660, 173852, 186270, 217315, 223524, 260778, 279405, 372540, 391167, 434630, 521556, 558810, 651945, 782334, 869260, 1117620, 1303890, 1564668, 1955835, 2607780, 3911670, 7823340]

約数ペア:

[(1, 7823340), (2, 3911670), (3, 2607780), (4, 1955835), (5, 1564668), (6, 1303890), (7, 1117620), (9, 869260), (10, 782334), (12, 651945), (14, 558810), (15, 521556), (18, 434630), (20, 391167), (21, 372540), (28, 279405), (30, 260778), (35, 223524), (36, 217315), (42, 186270), (45, 173852), (49, 159660), (60, 130389), (63, 124180), (70, 111762), (84, 93135), (90, 86926), (98, 79830), (105, 74508), (126, 62090), (140, 55881), (147, 53220), (180, 43463), (196, 39915), (210, 37254), (245, 31932), (252, 31045), (294, 26610), (315, 24836), (420, 18627), (441, 17740), (490, 15966), (588, 13305), (630, 12418), (735, 10644), (882, 8870), (887, 8820), (980, 7983), (1260, 6209), (1470, 5322), (1764, 4435), (1774, 4410), (2205, 3548), (2661, 2940)]