31299720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 101347200

約数和(自身を除く): 70047480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 67, 68, 85, 102, 120, 134, 136, 170, 201, 204, 229, 255, 268, 335, 340, 402, 408, 458, 510, 536, 670, 680, 687, 804, 916, 1005, 1020, 1139, 1145, 1340, 1374, 1608, 1832, 2010, 2040, 2278, 2290, 2680, 2748, 3417, 3435, 3893, 4020, 4556, 4580, 5496, 5695, 6834, 6870, 7786, 8040, 9112, 9160, 11390, 11679, 13668, 13740, 15343, 15572, 17085, 19465, 22780, 23358, 27336, 27480, 30686, 31144, 34170, 38930, 45560, 46029, 46716, 58395, 61372, 68340, 76715, 77860, 92058, 93432, 116790, 122744, 136680, 153430, 155720, 184116, 230145, 233580, 260831, 306860, 368232, 460290, 467160, 521662, 613720, 782493, 920580, 1043324, 1304155, 1564986, 1841160, 2086648, 2608310, 3129972, 3912465, 5216620, 6259944, 7824930, 10433240, 15649860, 31299720]

約数ペア:

[(1, 31299720), (2, 15649860), (3, 10433240), (4, 7824930), (5, 6259944), (6, 5216620), (8, 3912465), (10, 3129972), (12, 2608310), (15, 2086648), (17, 1841160), (20, 1564986), (24, 1304155), (30, 1043324), (34, 920580), (40, 782493), (51, 613720), (60, 521662), (67, 467160), (68, 460290), (85, 368232), (102, 306860), (120, 260831), (134, 233580), (136, 230145), (170, 184116), (201, 155720), (204, 153430), (229, 136680), (255, 122744), (268, 116790), (335, 93432), (340, 92058), (402, 77860), (408, 76715), (458, 68340), (510, 61372), (536, 58395), (670, 46716), (680, 46029), (687, 45560), (804, 38930), (916, 34170), (1005, 31144), (1020, 30686), (1139, 27480), (1145, 27336), (1340, 23358), (1374, 22780), (1608, 19465), (1832, 17085), (2010, 15572), (2040, 15343), (2278, 13740), (2290, 13668), (2680, 11679), (2748, 11390), (3417, 9160), (3435, 9112), (3893, 8040), (4020, 7786), (4556, 6870), (4580, 6834), (5496, 5695)]