68519880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1$

素因数の和:74

約数の個数: 240

約数和(自身を含む): 263799900

約数和(自身を除く): 195280020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 121, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 242, 260, 264, 286, 312, 330, 360, 363, 390, 396, 429, 440, 468, 484, 495, 520, 572, 585, 605, 660, 715, 726, 780, 792, 858, 936, 968, 990, 1089, 1144, 1170, 1210, 1287, 1320, 1331, 1430, 1452, 1560, 1573, 1716, 1815, 1980, 2145, 2178, 2340, 2420, 2574, 2662, 2860, 2904, 3146, 3432, 3630, 3960, 3993, 4290, 4356, 4680, 4719, 4840, 5148, 5324, 5445, 5720, 6292, 6435, 6655, 7260, 7865, 7986, 8580, 8712, 9438, 10296, 10648, 10890, 11979, 12584, 12870, 13310, 14157, 14520, 14641, 15730, 15972, 17160, 17303, 18876, 19965, 21780, 23595, 23958, 25740, 26620, 28314, 29282, 31460, 31944, 34606, 37752, 39930, 43560, 43923, 47190, 47916, 51480, 51909, 53240, 56628, 58564, 59895, 62920, 69212, 70785, 73205, 79860, 86515, 87846, 94380, 95832, 103818, 113256, 117128, 119790, 131769, 138424, 141570, 146410, 155727, 159720, 173030, 175692, 188760, 190333, 207636, 219615, 239580, 259545, 263538, 283140, 292820, 311454, 346060, 351384, 380666, 415272, 439230, 479160, 519090, 527076, 566280, 570999, 585640, 622908, 658845, 692120, 761332, 778635, 878460, 951665, 1038180, 1054152, 1141998, 1245816, 1317690, 1522664, 1557270, 1712997, 1756920, 1903330, 2076360, 2283996, 2635380, 2854995, 3114540, 3425994, 3806660, 4567992, 5270760, 5709990, 6229080, 6851988, 7613320, 8564985, 11419980, 13703976, 17129970, 22839960, 34259940, 68519880]

約数ペア:

[(1, 68519880), (2, 34259940), (3, 22839960), (4, 17129970), (5, 13703976), (6, 11419980), (8, 8564985), (9, 7613320), (10, 6851988), (11, 6229080), (12, 5709990), (13, 5270760), (15, 4567992), (18, 3806660), (20, 3425994), (22, 3114540), (24, 2854995), (26, 2635380), (30, 2283996), (33, 2076360), (36, 1903330), (39, 1756920), (40, 1712997), (44, 1557270), (45, 1522664), (52, 1317690), (55, 1245816), (60, 1141998), (65, 1054152), (66, 1038180), (72, 951665), (78, 878460), (88, 778635), (90, 761332), (99, 692120), (104, 658845), (110, 622908), (117, 585640), (120, 570999), (121, 566280), (130, 527076), (132, 519090), (143, 479160), (156, 439230), (165, 415272), (180, 380666), (195, 351384), (198, 346060), (220, 311454), (234, 292820), (242, 283140), (260, 263538), (264, 259545), (286, 239580), (312, 219615), (330, 207636), (360, 190333), (363, 188760), (390, 175692), (396, 173030), (429, 159720), (440, 155727), (468, 146410), (484, 141570), (495, 138424), (520, 131769), (572, 119790), (585, 117128), (605, 113256), (660, 103818), (715, 95832), (726, 94380), (780, 87846), (792, 86515), (858, 79860), (936, 73205), (968, 70785), (990, 69212), (1089, 62920), (1144, 59895), (1170, 58564), (1210, 56628), (1287, 53240), (1320, 51909), (1331, 51480), (1430, 47916), (1452, 47190), (1560, 43923), (1573, 43560), (1716, 39930), (1815, 37752), (1980, 34606), (2145, 31944), (2178, 31460), (2340, 29282), (2420, 28314), (2574, 26620), (2662, 25740), (2860, 23958), (2904, 23595), (3146, 21780), (3432, 19965), (3630, 18876), (3960, 17303), (3993, 17160), (4290, 15972), (4356, 15730), (4680, 14641), (4719, 14520), (4840, 14157), (5148, 13310), (5324, 12870), (5445, 12584), (5720, 11979), (6292, 10890), (6435, 10648), (6655, 10296), (7260, 9438), (7865, 8712), (7986, 8580)]