18245640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 66484800

約数和(自身を除く): 48239160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 49, 56, 58, 60, 70, 84, 87, 98, 105, 107, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 214, 232, 245, 280, 290, 294, 321, 348, 392, 406, 420, 428, 435, 490, 535, 580, 588, 609, 642, 696, 735, 749, 812, 840, 856, 870, 980, 1015, 1070, 1160, 1176, 1218, 1284, 1421, 1470, 1498, 1605, 1624, 1740, 1960, 2030, 2140, 2247, 2436, 2568, 2842, 2940, 2996, 3045, 3103, 3210, 3480, 3745, 4060, 4263, 4280, 4494, 4872, 5243, 5684, 5880, 5992, 6090, 6206, 6420, 7105, 7490, 8120, 8526, 8988, 9309, 10486, 11235, 11368, 12180, 12412, 12840, 14210, 14980, 15515, 15729, 17052, 17976, 18618, 20972, 21315, 21721, 22470, 24360, 24824, 26215, 28420, 29960, 31030, 31458, 34104, 37236, 41944, 42630, 43442, 44940, 46545, 52430, 56840, 62060, 62916, 65163, 74472, 78645, 85260, 86884, 89880, 93090, 104860, 108605, 124120, 125832, 130326, 152047, 157290, 170520, 173768, 186180, 209720, 217210, 260652, 304094, 314580, 325815, 372360, 434420, 456141, 521304, 608188, 629160, 651630, 760235, 868840, 912282, 1216376, 1303260, 1520470, 1824564, 2280705, 2606520, 3040940, 3649128, 4561410, 6081880, 9122820, 18245640]

約数ペア:

[(1, 18245640), (2, 9122820), (3, 6081880), (4, 4561410), (5, 3649128), (6, 3040940), (7, 2606520), (8, 2280705), (10, 1824564), (12, 1520470), (14, 1303260), (15, 1216376), (20, 912282), (21, 868840), (24, 760235), (28, 651630), (29, 629160), (30, 608188), (35, 521304), (40, 456141), (42, 434420), (49, 372360), (56, 325815), (58, 314580), (60, 304094), (70, 260652), (84, 217210), (87, 209720), (98, 186180), (105, 173768), (107, 170520), (116, 157290), (120, 152047), (140, 130326), (145, 125832), (147, 124120), (168, 108605), (174, 104860), (196, 93090), (203, 89880), (210, 86884), (214, 85260), (232, 78645), (245, 74472), (280, 65163), (290, 62916), (294, 62060), (321, 56840), (348, 52430), (392, 46545), (406, 44940), (420, 43442), (428, 42630), (435, 41944), (490, 37236), (535, 34104), (580, 31458), (588, 31030), (609, 29960), (642, 28420), (696, 26215), (735, 24824), (749, 24360), (812, 22470), (840, 21721), (856, 21315), (870, 20972), (980, 18618), (1015, 17976), (1070, 17052), (1160, 15729), (1176, 15515), (1218, 14980), (1284, 14210), (1421, 12840), (1470, 12412), (1498, 12180), (1605, 11368), (1624, 11235), (1740, 10486), (1960, 9309), (2030, 8988), (2140, 8526), (2247, 8120), (2436, 7490), (2568, 7105), (2842, 6420), (2940, 6206), (2996, 6090), (3045, 5992), (3103, 5880), (3210, 5684), (3480, 5243), (3745, 4872), (4060, 4494), (4263, 4280)]