90319740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1048

約数の個数: 144

約数和(自身を含む): 303980544

約数和(自身を除く): 213660804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 991, 1085, 1302, 1470, 1519, 1860, 1982, 2170, 2604, 2940, 2973, 3038, 3255, 3964, 4340, 4557, 4955, 5946, 6076, 6510, 6937, 7595, 9114, 9910, 11892, 13020, 13874, 14865, 15190, 18228, 19820, 20811, 22785, 27748, 29730, 30380, 30721, 34685, 41622, 45570, 48559, 59460, 61442, 69370, 83244, 91140, 92163, 97118, 104055, 122884, 138740, 145677, 153605, 184326, 194236, 208110, 215047, 242795, 291354, 307210, 368652, 416220, 430094, 460815, 485590, 582708, 614420, 645141, 728385, 860188, 921630, 971180, 1075235, 1290282, 1456770, 1505329, 1843260, 2150470, 2580564, 2913540, 3010658, 3225705, 4300940, 4515987, 6021316, 6451410, 7526645, 9031974, 12902820, 15053290, 18063948, 22579935, 30106580, 45159870, 90319740]

約数ペア:

[(1, 90319740), (2, 45159870), (3, 30106580), (4, 22579935), (5, 18063948), (6, 15053290), (7, 12902820), (10, 9031974), (12, 7526645), (14, 6451410), (15, 6021316), (20, 4515987), (21, 4300940), (28, 3225705), (30, 3010658), (31, 2913540), (35, 2580564), (42, 2150470), (49, 1843260), (60, 1505329), (62, 1456770), (70, 1290282), (84, 1075235), (93, 971180), (98, 921630), (105, 860188), (124, 728385), (140, 645141), (147, 614420), (155, 582708), (186, 485590), (196, 460815), (210, 430094), (217, 416220), (245, 368652), (294, 307210), (310, 291354), (372, 242795), (420, 215047), (434, 208110), (465, 194236), (490, 184326), (588, 153605), (620, 145677), (651, 138740), (735, 122884), (868, 104055), (930, 97118), (980, 92163), (991, 91140), (1085, 83244), (1302, 69370), (1470, 61442), (1519, 59460), (1860, 48559), (1982, 45570), (2170, 41622), (2604, 34685), (2940, 30721), (2973, 30380), (3038, 29730), (3255, 27748), (3964, 22785), (4340, 20811), (4557, 19820), (4955, 18228), (5946, 15190), (6076, 14865), (6510, 13874), (6937, 13020), (7595, 11892), (9114, 9910)]