31917330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:960

約数の個数: 96

約数和(自身を含む): 91787904

約数和(自身を除く): 59870574

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 69, 85, 90, 102, 115, 138, 153, 170, 207, 230, 255, 306, 345, 391, 414, 510, 690, 765, 782, 907, 1035, 1173, 1530, 1814, 1955, 2070, 2346, 2721, 3519, 3910, 4535, 5442, 5865, 7038, 8163, 9070, 11730, 13605, 15419, 16326, 17595, 20861, 27210, 30838, 35190, 40815, 41722, 46257, 62583, 77095, 81630, 92514, 104305, 125166, 138771, 154190, 187749, 208610, 231285, 277542, 312915, 354637, 375498, 462570, 625830, 693855, 709274, 938745, 1063911, 1387710, 1773185, 1877490, 2127822, 3191733, 3546370, 5319555, 6383466, 10639110, 15958665, 31917330]

約数ペア:

[(1, 31917330), (2, 15958665), (3, 10639110), (5, 6383466), (6, 5319555), (9, 3546370), (10, 3191733), (15, 2127822), (17, 1877490), (18, 1773185), (23, 1387710), (30, 1063911), (34, 938745), (45, 709274), (46, 693855), (51, 625830), (69, 462570), (85, 375498), (90, 354637), (102, 312915), (115, 277542), (138, 231285), (153, 208610), (170, 187749), (207, 154190), (230, 138771), (255, 125166), (306, 104305), (345, 92514), (391, 81630), (414, 77095), (510, 62583), (690, 46257), (765, 41722), (782, 40815), (907, 35190), (1035, 30838), (1173, 27210), (1530, 20861), (1814, 17595), (1955, 16326), (2070, 15419), (2346, 13605), (2721, 11730), (3519, 9070), (3910, 8163), (4535, 7038), (5442, 5865)]