278632980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3463}}^1$

素因数の和:3630

約数の個数: 96

約数和(自身を含む): 872928000

約数和(自身を除く): 594295020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 270, 298, 447, 540, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 3463, 4023, 4470, 5364, 6705, 6926, 8046, 8940, 10389, 13410, 13852, 16092, 17315, 20115, 20778, 26820, 31167, 34630, 40230, 41556, 51945, 62334, 69260, 80460, 93501, 103890, 124668, 155835, 187002, 207780, 311670, 374004, 467505, 515987, 623340, 935010, 1031974, 1547961, 1870020, 2063948, 2579935, 3095922, 4643883, 5159870, 6191844, 7739805, 9287766, 10319740, 13931649, 15479610, 18575532, 23219415, 27863298, 30959220, 46438830, 55726596, 69658245, 92877660, 139316490, 278632980]

約数ペア:

[(1, 278632980), (2, 139316490), (3, 92877660), (4, 69658245), (5, 55726596), (6, 46438830), (9, 30959220), (10, 27863298), (12, 23219415), (15, 18575532), (18, 15479610), (20, 13931649), (27, 10319740), (30, 9287766), (36, 7739805), (45, 6191844), (54, 5159870), (60, 4643883), (90, 3095922), (108, 2579935), (135, 2063948), (149, 1870020), (180, 1547961), (270, 1031974), (298, 935010), (447, 623340), (540, 515987), (596, 467505), (745, 374004), (894, 311670), (1341, 207780), (1490, 187002), (1788, 155835), (2235, 124668), (2682, 103890), (2980, 93501), (3463, 80460), (4023, 69260), (4470, 62334), (5364, 51945), (6705, 41556), (6926, 40230), (8046, 34630), (8940, 31167), (10389, 26820), (13410, 20778), (13852, 20115), (16092, 17315)]