31748520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 102643200

約数和(自身を除く): 70894680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 79, 85, 102, 120, 136, 158, 170, 197, 204, 237, 255, 316, 340, 394, 395, 408, 474, 510, 591, 632, 680, 788, 790, 948, 985, 1020, 1182, 1185, 1343, 1576, 1580, 1896, 1970, 2040, 2364, 2370, 2686, 2955, 3160, 3349, 3940, 4029, 4728, 4740, 5372, 5910, 6698, 6715, 7880, 8058, 9480, 10047, 10744, 11820, 13396, 13430, 15563, 16116, 16745, 20094, 20145, 23640, 26792, 26860, 31126, 32232, 33490, 40188, 40290, 46689, 50235, 53720, 62252, 66980, 77815, 80376, 80580, 93378, 100470, 124504, 133960, 155630, 161160, 186756, 200940, 233445, 264571, 311260, 373512, 401880, 466890, 529142, 622520, 793713, 933780, 1058284, 1322855, 1587426, 1867560, 2116568, 2645710, 3174852, 3968565, 5291420, 6349704, 7937130, 10582840, 15874260, 31748520]

約数ペア:

[(1, 31748520), (2, 15874260), (3, 10582840), (4, 7937130), (5, 6349704), (6, 5291420), (8, 3968565), (10, 3174852), (12, 2645710), (15, 2116568), (17, 1867560), (20, 1587426), (24, 1322855), (30, 1058284), (34, 933780), (40, 793713), (51, 622520), (60, 529142), (68, 466890), (79, 401880), (85, 373512), (102, 311260), (120, 264571), (136, 233445), (158, 200940), (170, 186756), (197, 161160), (204, 155630), (237, 133960), (255, 124504), (316, 100470), (340, 93378), (394, 80580), (395, 80376), (408, 77815), (474, 66980), (510, 62252), (591, 53720), (632, 50235), (680, 46689), (788, 40290), (790, 40188), (948, 33490), (985, 32232), (1020, 31126), (1182, 26860), (1185, 26792), (1343, 23640), (1576, 20145), (1580, 20094), (1896, 16745), (1970, 16116), (2040, 15563), (2364, 13430), (2370, 13396), (2686, 11820), (2955, 10744), (3160, 10047), (3349, 9480), (3940, 8058), (4029, 7880), (4728, 6715), (4740, 6698), (5372, 5910)]