131667720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 456192000

約数和(自身を除く): 324524280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 43, 51, 57, 60, 68, 76, 79, 85, 86, 95, 102, 114, 120, 129, 136, 152, 158, 170, 172, 190, 204, 215, 228, 237, 255, 258, 285, 316, 323, 340, 344, 380, 395, 408, 430, 456, 474, 510, 516, 570, 632, 645, 646, 680, 731, 760, 790, 817, 860, 948, 969, 1020, 1032, 1140, 1185, 1290, 1292, 1343, 1462, 1501, 1580, 1615, 1634, 1720, 1896, 1938, 2040, 2193, 2280, 2370, 2451, 2580, 2584, 2686, 2924, 3002, 3160, 3230, 3268, 3397, 3655, 3876, 4029, 4085, 4386, 4503, 4740, 4845, 4902, 5160, 5372, 5848, 6004, 6460, 6536, 6715, 6794, 7310, 7505, 7752, 8058, 8170, 8772, 9006, 9480, 9690, 9804, 10191, 10744, 10965, 12008, 12255, 12920, 13430, 13588, 13889, 14620, 15010, 16116, 16340, 16985, 17544, 18012, 19380, 19608, 20145, 20382, 21930, 22515, 24510, 25517, 26860, 27176, 27778, 29240, 30020, 32232, 32680, 33970, 36024, 38760, 40290, 40764, 41667, 43860, 45030, 49020, 50955, 51034, 53720, 55556, 57749, 60040, 64543, 67940, 69445, 76551, 80580, 81528, 83334, 87720, 90060, 98040, 101910, 102068, 111112, 115498, 127585, 129086, 135880, 138890, 153102, 161160, 166668, 173247, 180120, 193629, 203820, 204136, 208335, 230996, 255170, 258172, 277780, 288745, 306204, 322715, 333336, 346494, 382755, 387258, 407640, 416670, 461992, 510340, 516344, 555560, 577490, 612408, 645430, 692988, 765510, 774516, 833340, 866235, 968145, 1020680, 1097231, 1154980, 1290860, 1385976, 1531020, 1549032, 1666680, 1732470, 1936290, 2194462, 2309960, 2581720, 3062040, 3291693, 3464940, 3872580, 4388924, 5486155, 6583386, 6929880, 7745160, 8777848, 10972310, 13166772, 16458465, 21944620, 26333544, 32916930, 43889240, 65833860, 131667720]

約数ペア:

[(1, 131667720), (2, 65833860), (3, 43889240), (4, 32916930), (5, 26333544), (6, 21944620), (8, 16458465), (10, 13166772), (12, 10972310), (15, 8777848), (17, 7745160), (19, 6929880), (20, 6583386), (24, 5486155), (30, 4388924), (34, 3872580), (38, 3464940), (40, 3291693), (43, 3062040), (51, 2581720), (57, 2309960), (60, 2194462), (68, 1936290), (76, 1732470), (79, 1666680), (85, 1549032), (86, 1531020), (95, 1385976), (102, 1290860), (114, 1154980), (120, 1097231), (129, 1020680), (136, 968145), (152, 866235), (158, 833340), (170, 774516), (172, 765510), (190, 692988), (204, 645430), (215, 612408), (228, 577490), (237, 555560), (255, 516344), (258, 510340), (285, 461992), (316, 416670), (323, 407640), (340, 387258), (344, 382755), (380, 346494), (395, 333336), (408, 322715), (430, 306204), (456, 288745), (474, 277780), (510, 258172), (516, 255170), (570, 230996), (632, 208335), (645, 204136), (646, 203820), (680, 193629), (731, 180120), (760, 173247), (790, 166668), (817, 161160), (860, 153102), (948, 138890), (969, 135880), (1020, 129086), (1032, 127585), (1140, 115498), (1185, 111112), (1290, 102068), (1292, 101910), (1343, 98040), (1462, 90060), (1501, 87720), (1580, 83334), (1615, 81528), (1634, 80580), (1720, 76551), (1896, 69445), (1938, 67940), (2040, 64543), (2193, 60040), (2280, 57749), (2370, 55556), (2451, 53720), (2580, 51034), (2584, 50955), (2686, 49020), (2924, 45030), (3002, 43860), (3160, 41667), (3230, 40764), (3268, 40290), (3397, 38760), (3655, 36024), (3876, 33970), (4029, 32680), (4085, 32232), (4386, 30020), (4503, 29240), (4740, 27778), (4845, 27176), (4902, 26860), (5160, 25517), (5372, 24510), (5848, 22515), (6004, 21930), (6460, 20382), (6536, 20145), (6715, 19608), (6794, 19380), (7310, 18012), (7505, 17544), (7752, 16985), (8058, 16340), (8170, 16116), (8772, 15010), (9006, 14620), (9480, 13889), (9690, 13588), (9804, 13430), (10191, 12920), (10744, 12255), (10965, 12008)]