68008980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 217667520

約数和(自身を除く): 149658540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 353, 380, 390, 494, 507, 570, 676, 706, 741, 780, 845, 988, 1014, 1059, 1140, 1235, 1412, 1482, 1690, 1765, 2028, 2118, 2470, 2535, 2964, 3211, 3380, 3530, 3705, 4236, 4589, 4940, 5070, 5295, 6422, 6707, 7060, 7410, 9178, 9633, 10140, 10590, 12844, 13414, 13767, 14820, 16055, 18356, 19266, 20121, 21180, 22945, 26828, 27534, 32110, 33535, 38532, 40242, 45890, 48165, 55068, 59657, 64220, 67070, 68835, 80484, 87191, 91780, 96330, 100605, 119314, 134140, 137670, 174382, 178971, 192660, 201210, 238628, 261573, 275340, 298285, 348764, 357942, 402420, 435955, 523146, 596570, 715884, 871910, 894855, 1046292, 1133483, 1193140, 1307865, 1743820, 1789710, 2266966, 2615730, 3400449, 3579420, 4533932, 5231460, 5667415, 6800898, 11334830, 13601796, 17002245, 22669660, 34004490, 68008980]

約数ペア:

[(1, 68008980), (2, 34004490), (3, 22669660), (4, 17002245), (5, 13601796), (6, 11334830), (10, 6800898), (12, 5667415), (13, 5231460), (15, 4533932), (19, 3579420), (20, 3400449), (26, 2615730), (30, 2266966), (38, 1789710), (39, 1743820), (52, 1307865), (57, 1193140), (60, 1133483), (65, 1046292), (76, 894855), (78, 871910), (95, 715884), (114, 596570), (130, 523146), (156, 435955), (169, 402420), (190, 357942), (195, 348764), (228, 298285), (247, 275340), (260, 261573), (285, 238628), (338, 201210), (353, 192660), (380, 178971), (390, 174382), (494, 137670), (507, 134140), (570, 119314), (676, 100605), (706, 96330), (741, 91780), (780, 87191), (845, 80484), (988, 68835), (1014, 67070), (1059, 64220), (1140, 59657), (1235, 55068), (1412, 48165), (1482, 45890), (1690, 40242), (1765, 38532), (2028, 33535), (2118, 32110), (2470, 27534), (2535, 26828), (2964, 22945), (3211, 21180), (3380, 20121), (3530, 19266), (3705, 18356), (4236, 16055), (4589, 14820), (4940, 13767), (5070, 13414), (5295, 12844), (6422, 10590), (6707, 10140), (7060, 9633), (7410, 9178)]