68789880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 240084000

約数和(自身を除く): 171294120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 89, 90, 95, 113, 114, 120, 152, 171, 178, 180, 190, 226, 228, 267, 285, 339, 342, 356, 360, 380, 445, 452, 456, 534, 565, 570, 678, 684, 712, 760, 801, 855, 890, 904, 1017, 1068, 1130, 1140, 1335, 1356, 1368, 1602, 1691, 1695, 1710, 1780, 2034, 2136, 2147, 2260, 2280, 2670, 2712, 3204, 3382, 3390, 3420, 3560, 4005, 4068, 4294, 4520, 5073, 5085, 5340, 6408, 6441, 6764, 6780, 6840, 8010, 8136, 8455, 8588, 10057, 10146, 10170, 10680, 10735, 12882, 13528, 13560, 15219, 16020, 16910, 17176, 19323, 20114, 20292, 20340, 21470, 25365, 25764, 30171, 30438, 32040, 32205, 33820, 38646, 40228, 40584, 40680, 42940, 50285, 50730, 51528, 60342, 60876, 64410, 67640, 76095, 77292, 80456, 85880, 90513, 96615, 100570, 101460, 120684, 121752, 128820, 150855, 152190, 154584, 181026, 191083, 193230, 201140, 202920, 241368, 257640, 301710, 304380, 362052, 382166, 386460, 402280, 452565, 573249, 603420, 608760, 724104, 764332, 772920, 905130, 955415, 1146498, 1206840, 1528664, 1719747, 1810260, 1910830, 2292996, 2866245, 3439494, 3620520, 3821660, 4585992, 5732490, 6878988, 7643320, 8598735, 11464980, 13757976, 17197470, 22929960, 34394940, 68789880]

約数ペア:

[(1, 68789880), (2, 34394940), (3, 22929960), (4, 17197470), (5, 13757976), (6, 11464980), (8, 8598735), (9, 7643320), (10, 6878988), (12, 5732490), (15, 4585992), (18, 3821660), (19, 3620520), (20, 3439494), (24, 2866245), (30, 2292996), (36, 1910830), (38, 1810260), (40, 1719747), (45, 1528664), (57, 1206840), (60, 1146498), (72, 955415), (76, 905130), (89, 772920), (90, 764332), (95, 724104), (113, 608760), (114, 603420), (120, 573249), (152, 452565), (171, 402280), (178, 386460), (180, 382166), (190, 362052), (226, 304380), (228, 301710), (267, 257640), (285, 241368), (339, 202920), (342, 201140), (356, 193230), (360, 191083), (380, 181026), (445, 154584), (452, 152190), (456, 150855), (534, 128820), (565, 121752), (570, 120684), (678, 101460), (684, 100570), (712, 96615), (760, 90513), (801, 85880), (855, 80456), (890, 77292), (904, 76095), (1017, 67640), (1068, 64410), (1130, 60876), (1140, 60342), (1335, 51528), (1356, 50730), (1368, 50285), (1602, 42940), (1691, 40680), (1695, 40584), (1710, 40228), (1780, 38646), (2034, 33820), (2136, 32205), (2147, 32040), (2260, 30438), (2280, 30171), (2670, 25764), (2712, 25365), (3204, 21470), (3382, 20340), (3390, 20292), (3420, 20114), (3560, 19323), (4005, 17176), (4068, 16910), (4294, 16020), (4520, 15219), (5073, 13560), (5085, 13528), (5340, 12882), (6408, 10735), (6441, 10680), (6764, 10170), (6780, 10146), (6840, 10057), (8010, 8588), (8136, 8455)]