221376780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2081}}^1$

素因数の和:2296

約数の個数: 96

約数和(自身を含む): 692556480

約数和(自身を除く): 471179700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 197, 270, 394, 540, 591, 788, 985, 1182, 1773, 1970, 2081, 2364, 2955, 3546, 3940, 4162, 5319, 5910, 6243, 7092, 8324, 8865, 10405, 10638, 11820, 12486, 17730, 18729, 20810, 21276, 24972, 26595, 31215, 35460, 37458, 41620, 53190, 56187, 62430, 74916, 93645, 106380, 112374, 124860, 187290, 224748, 280935, 374580, 409957, 561870, 819914, 1123740, 1229871, 1639828, 2049785, 2459742, 3689613, 4099570, 4919484, 6149355, 7379226, 8199140, 11068839, 12298710, 14758452, 18448065, 22137678, 24597420, 36896130, 44275356, 55344195, 73792260, 110688390, 221376780]

約数ペア:

[(1, 221376780), (2, 110688390), (3, 73792260), (4, 55344195), (5, 44275356), (6, 36896130), (9, 24597420), (10, 22137678), (12, 18448065), (15, 14758452), (18, 12298710), (20, 11068839), (27, 8199140), (30, 7379226), (36, 6149355), (45, 4919484), (54, 4099570), (60, 3689613), (90, 2459742), (108, 2049785), (135, 1639828), (180, 1229871), (197, 1123740), (270, 819914), (394, 561870), (540, 409957), (591, 374580), (788, 280935), (985, 224748), (1182, 187290), (1773, 124860), (1970, 112374), (2081, 106380), (2364, 93645), (2955, 74916), (3546, 62430), (3940, 56187), (4162, 53190), (5319, 41620), (5910, 37458), (6243, 35460), (7092, 31215), (8324, 26595), (8865, 24972), (10405, 21276), (10638, 20810), (11820, 18729), (12486, 17730)]