68180540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 159776064

約数和(自身を除く): 91595524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 67, 68, 73, 82, 85, 134, 146, 164, 170, 205, 268, 292, 335, 340, 365, 410, 670, 697, 730, 820, 1139, 1241, 1340, 1394, 1460, 2278, 2482, 2747, 2788, 2993, 3485, 4556, 4891, 4964, 5494, 5695, 5986, 6205, 6970, 9782, 10988, 11390, 11972, 12410, 13735, 13940, 14965, 19564, 22780, 24455, 24820, 27470, 29930, 46699, 48910, 50881, 54940, 59860, 83147, 93398, 97820, 101762, 166294, 186796, 200531, 203524, 233495, 254405, 332588, 401062, 415735, 466990, 508810, 802124, 831470, 933980, 1002655, 1017620, 1662940, 2005310, 3409027, 4010620, 6818054, 13636108, 17045135, 34090270, 68180540]

約数ペア:

[(1, 68180540), (2, 34090270), (4, 17045135), (5, 13636108), (10, 6818054), (17, 4010620), (20, 3409027), (34, 2005310), (41, 1662940), (67, 1017620), (68, 1002655), (73, 933980), (82, 831470), (85, 802124), (134, 508810), (146, 466990), (164, 415735), (170, 401062), (205, 332588), (268, 254405), (292, 233495), (335, 203524), (340, 200531), (365, 186796), (410, 166294), (670, 101762), (697, 97820), (730, 93398), (820, 83147), (1139, 59860), (1241, 54940), (1340, 50881), (1394, 48910), (1460, 46699), (2278, 29930), (2482, 27470), (2747, 24820), (2788, 24455), (2993, 22780), (3485, 19564), (4556, 14965), (4891, 13940), (4964, 13735), (5494, 12410), (5695, 11972), (5986, 11390), (6205, 10988), (6970, 9782)]