68660280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:910

約数の個数: 192

約数和(自身を含む): 254741760

約数和(自身を除く): 186081480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 863, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1726, 1768, 1989, 2040, 2210, 2340, 2589, 2652, 3060, 3315, 3452, 3978, 4315, 4420, 4680, 5178, 5304, 6120, 6630, 6904, 7767, 7956, 8630, 8840, 9945, 10356, 11219, 12945, 13260, 14671, 15534, 15912, 17260, 19890, 20712, 22438, 25890, 26520, 29342, 31068, 33657, 34520, 38835, 39780, 44013, 44876, 51780, 56095, 58684, 62136, 67314, 73355, 77670, 79560, 88026, 89752, 100971, 103560, 112190, 117368, 132039, 134628, 146710, 155340, 168285, 176052, 190723, 201942, 220065, 224380, 264078, 269256, 293420, 310680, 336570, 352104, 381446, 403884, 440130, 448760, 504855, 528156, 572169, 586840, 660195, 673140, 762892, 807768, 880260, 953615, 1009710, 1056312, 1144338, 1320390, 1346280, 1525784, 1716507, 1760520, 1907230, 2019420, 2288676, 2640780, 2860845, 3433014, 3814460, 4038840, 4577352, 5281560, 5721690, 6866028, 7628920, 8582535, 11443380, 13732056, 17165070, 22886760, 34330140, 68660280]

約数ペア:

[(1, 68660280), (2, 34330140), (3, 22886760), (4, 17165070), (5, 13732056), (6, 11443380), (8, 8582535), (9, 7628920), (10, 6866028), (12, 5721690), (13, 5281560), (15, 4577352), (17, 4038840), (18, 3814460), (20, 3433014), (24, 2860845), (26, 2640780), (30, 2288676), (34, 2019420), (36, 1907230), (39, 1760520), (40, 1716507), (45, 1525784), (51, 1346280), (52, 1320390), (60, 1144338), (65, 1056312), (68, 1009710), (72, 953615), (78, 880260), (85, 807768), (90, 762892), (102, 673140), (104, 660195), (117, 586840), (120, 572169), (130, 528156), (136, 504855), (153, 448760), (156, 440130), (170, 403884), (180, 381446), (195, 352104), (204, 336570), (221, 310680), (234, 293420), (255, 269256), (260, 264078), (306, 224380), (312, 220065), (340, 201942), (360, 190723), (390, 176052), (408, 168285), (442, 155340), (468, 146710), (510, 134628), (520, 132039), (585, 117368), (612, 112190), (663, 103560), (680, 100971), (765, 89752), (780, 88026), (863, 79560), (884, 77670), (936, 73355), (1020, 67314), (1105, 62136), (1170, 58684), (1224, 56095), (1326, 51780), (1530, 44876), (1560, 44013), (1726, 39780), (1768, 38835), (1989, 34520), (2040, 33657), (2210, 31068), (2340, 29342), (2589, 26520), (2652, 25890), (3060, 22438), (3315, 20712), (3452, 19890), (3978, 17260), (4315, 15912), (4420, 15534), (4680, 14671), (5178, 13260), (5304, 12945), (6120, 11219), (6630, 10356), (6904, 9945), (7767, 8840), (7956, 8630)]