68729940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 218312640

約数和(自身を除く): 149582700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 67, 82, 90, 123, 134, 139, 164, 180, 201, 205, 246, 268, 278, 335, 369, 402, 410, 417, 492, 556, 603, 615, 670, 695, 738, 804, 820, 834, 1005, 1206, 1230, 1251, 1340, 1390, 1476, 1668, 1845, 2010, 2085, 2412, 2460, 2502, 2747, 2780, 3015, 3690, 4020, 4170, 5004, 5494, 5699, 6030, 6255, 7380, 8241, 8340, 9313, 10988, 11398, 12060, 12510, 13735, 16482, 17097, 18626, 22796, 24723, 25020, 27470, 27939, 28495, 32964, 34194, 37252, 41205, 46565, 49446, 51291, 54940, 55878, 56990, 68388, 82410, 83817, 85485, 93130, 98892, 102582, 111756, 113980, 123615, 139695, 164820, 167634, 170970, 186260, 205164, 247230, 256455, 279390, 335268, 341940, 381833, 419085, 494460, 512910, 558780, 763666, 838170, 1025820, 1145499, 1527332, 1676340, 1909165, 2290998, 3436497, 3818330, 4581996, 5727495, 6872994, 7636660, 11454990, 13745988, 17182485, 22909980, 34364970, 68729940]

約数ペア:

[(1, 68729940), (2, 34364970), (3, 22909980), (4, 17182485), (5, 13745988), (6, 11454990), (9, 7636660), (10, 6872994), (12, 5727495), (15, 4581996), (18, 3818330), (20, 3436497), (30, 2290998), (36, 1909165), (41, 1676340), (45, 1527332), (60, 1145499), (67, 1025820), (82, 838170), (90, 763666), (123, 558780), (134, 512910), (139, 494460), (164, 419085), (180, 381833), (201, 341940), (205, 335268), (246, 279390), (268, 256455), (278, 247230), (335, 205164), (369, 186260), (402, 170970), (410, 167634), (417, 164820), (492, 139695), (556, 123615), (603, 113980), (615, 111756), (670, 102582), (695, 98892), (738, 93130), (804, 85485), (820, 83817), (834, 82410), (1005, 68388), (1206, 56990), (1230, 55878), (1251, 54940), (1340, 51291), (1390, 49446), (1476, 46565), (1668, 41205), (1845, 37252), (2010, 34194), (2085, 32964), (2412, 28495), (2460, 27939), (2502, 27470), (2747, 25020), (2780, 24723), (3015, 22796), (3690, 18626), (4020, 17097), (4170, 16482), (5004, 13735), (5494, 12510), (5699, 12060), (6030, 11398), (6255, 10988), (7380, 9313), (8241, 8340)]