81260748

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 108

約数和(自身を含む): 228265128

約数和(自身を除く): 147004380

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 251, 276, 306, 391, 414, 502, 529, 612, 753, 782, 828, 1004, 1058, 1173, 1506, 1564, 1587, 2116, 2259, 2346, 3012, 3174, 3519, 4267, 4518, 4692, 4761, 5773, 6348, 7038, 8534, 8993, 9036, 9522, 11546, 12801, 14076, 17068, 17319, 17986, 19044, 23092, 25602, 26979, 34638, 35972, 38403, 51204, 51957, 53958, 69276, 76806, 80937, 98141, 103914, 107916, 132779, 153612, 161874, 196282, 207828, 265558, 294423, 323748, 392564, 398337, 531116, 588846, 796674, 883269, 1177692, 1195011, 1593348, 1766538, 2257243, 2390022, 3533076, 4514486, 4780044, 6771729, 9028972, 13543458, 20315187, 27086916, 40630374, 81260748]

約数ペア:

[(1, 81260748), (2, 40630374), (3, 27086916), (4, 20315187), (6, 13543458), (9, 9028972), (12, 6771729), (17, 4780044), (18, 4514486), (23, 3533076), (34, 2390022), (36, 2257243), (46, 1766538), (51, 1593348), (68, 1195011), (69, 1177692), (92, 883269), (102, 796674), (138, 588846), (153, 531116), (204, 398337), (207, 392564), (251, 323748), (276, 294423), (306, 265558), (391, 207828), (414, 196282), (502, 161874), (529, 153612), (612, 132779), (753, 107916), (782, 103914), (828, 98141), (1004, 80937), (1058, 76806), (1173, 69276), (1506, 53958), (1564, 51957), (1587, 51204), (2116, 38403), (2259, 35972), (2346, 34638), (3012, 26979), (3174, 25602), (3519, 23092), (4267, 19044), (4518, 17986), (4692, 17319), (4761, 17068), (5773, 14076), (6348, 12801), (7038, 11546), (8534, 9522), (8993, 9036)]