156964164580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1709}}^1\times {\mathrm{12721}}^1$

素因数の和:14477

約数の個数: 72

約数和(自身を含む): 348117429240

約数和(自身を除く): 191153264660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1709, 1805, 3418, 3610, 6836, 7220, 8545, 12721, 17090, 25442, 32471, 34180, 50884, 63605, 64942, 127210, 129884, 162355, 241699, 254420, 324710, 483398, 616949, 649420, 966796, 1208495, 1233898, 2416990, 2467796, 3084745, 4592281, 4833980, 6169490, 9184562, 12338980, 18369124, 21740189, 22961405, 43480378, 45922810, 86960756, 91845620, 108700945, 217401890, 413063591, 434803780, 826127182, 1652254364, 2065317955, 4130635910, 7848208229, 8261271820, 15696416458, 31392832916, 39241041145, 78482082290, 156964164580]

約数ペア:

[(1, 156964164580), (2, 78482082290), (4, 39241041145), (5, 31392832916), (10, 15696416458), (19, 8261271820), (20, 7848208229), (38, 4130635910), (76, 2065317955), (95, 1652254364), (190, 826127182), (361, 434803780), (380, 413063591), (722, 217401890), (1444, 108700945), (1709, 91845620), (1805, 86960756), (3418, 45922810), (3610, 43480378), (6836, 22961405), (7220, 21740189), (8545, 18369124), (12721, 12338980), (17090, 9184562), (25442, 6169490), (32471, 4833980), (34180, 4592281), (50884, 3084745), (63605, 2467796), (64942, 2416990), (127210, 1233898), (129884, 1208495), (162355, 966796), (241699, 649420), (254420, 616949), (324710, 483398)]