68290020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 231517440

約数和(自身を除く): 163227420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 43, 45, 51, 54, 60, 68, 85, 86, 90, 102, 108, 129, 135, 153, 170, 172, 173, 180, 204, 215, 255, 258, 270, 306, 340, 346, 387, 430, 459, 510, 516, 519, 540, 612, 645, 692, 731, 765, 774, 860, 865, 918, 1020, 1038, 1161, 1290, 1462, 1530, 1548, 1557, 1730, 1836, 1935, 2076, 2193, 2295, 2322, 2580, 2595, 2924, 2941, 3060, 3114, 3460, 3655, 3870, 4386, 4590, 4644, 4671, 5190, 5805, 5882, 6228, 6579, 7310, 7439, 7740, 7785, 8772, 8823, 9180, 9342, 10380, 10965, 11610, 11764, 13158, 14620, 14705, 14878, 15570, 17646, 18684, 19737, 21930, 22317, 23220, 23355, 26316, 26469, 29410, 29756, 31140, 32895, 35292, 37195, 39474, 43860, 44115, 44634, 46710, 52938, 58820, 65790, 66951, 74390, 78948, 79407, 88230, 89268, 93420, 98685, 105876, 111585, 126463, 131580, 132345, 133902, 148780, 158814, 176460, 197370, 200853, 223170, 252926, 264690, 267804, 317628, 334755, 379389, 394740, 397035, 401706, 446340, 505852, 529380, 632315, 669510, 758778, 794070, 803412, 1004265, 1138167, 1264630, 1339020, 1517556, 1588140, 1896945, 2008530, 2276334, 2529260, 3414501, 3793890, 4017060, 4552668, 5690835, 6829002, 7587780, 11381670, 13658004, 17072505, 22763340, 34145010, 68290020]

約数ペア:

[(1, 68290020), (2, 34145010), (3, 22763340), (4, 17072505), (5, 13658004), (6, 11381670), (9, 7587780), (10, 6829002), (12, 5690835), (15, 4552668), (17, 4017060), (18, 3793890), (20, 3414501), (27, 2529260), (30, 2276334), (34, 2008530), (36, 1896945), (43, 1588140), (45, 1517556), (51, 1339020), (54, 1264630), (60, 1138167), (68, 1004265), (85, 803412), (86, 794070), (90, 758778), (102, 669510), (108, 632315), (129, 529380), (135, 505852), (153, 446340), (170, 401706), (172, 397035), (173, 394740), (180, 379389), (204, 334755), (215, 317628), (255, 267804), (258, 264690), (270, 252926), (306, 223170), (340, 200853), (346, 197370), (387, 176460), (430, 158814), (459, 148780), (510, 133902), (516, 132345), (519, 131580), (540, 126463), (612, 111585), (645, 105876), (692, 98685), (731, 93420), (765, 89268), (774, 88230), (860, 79407), (865, 78948), (918, 74390), (1020, 66951), (1038, 65790), (1161, 58820), (1290, 52938), (1462, 46710), (1530, 44634), (1548, 44115), (1557, 43860), (1730, 39474), (1836, 37195), (1935, 35292), (2076, 32895), (2193, 31140), (2295, 29756), (2322, 29410), (2580, 26469), (2595, 26316), (2924, 23355), (2941, 23220), (3060, 22317), (3114, 21930), (3460, 19737), (3655, 18684), (3870, 17646), (4386, 15570), (4590, 14878), (4644, 14705), (4671, 14620), (5190, 13158), (5805, 11764), (5882, 11610), (6228, 10965), (6579, 10380), (7310, 9342), (7439, 9180), (7740, 8823), (7785, 8772)]