668032020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6301}}^1$

素因数の和:6366

約数の個数: 144

約数和(自身を含む): 2202170880

約数和(自身を除く): 1534138860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 2356, 2790, 2945, 3420, 3534, 5301, 5580, 5890, 6301, 7068, 8835, 10602, 11780, 12602, 17670, 18903, 21204, 25204, 26505, 31505, 35340, 37806, 53010, 56709, 63010, 75612, 94515, 106020, 113418, 119719, 126020, 189030, 195331, 226836, 239438, 283545, 359157, 378060, 390662, 478876, 567090, 585993, 598595, 718314, 781324, 976655, 1077471, 1134180, 1171986, 1197190, 1436628, 1757979, 1795785, 1953310, 2154942, 2343972, 2394380, 2929965, 3515958, 3591570, 3711289, 3906620, 4309884, 5387355, 5859930, 7031916, 7183140, 7422578, 8789895, 10774710, 11133867, 11719860, 14845156, 17579790, 18556445, 21549420, 22267734, 33401601, 35159580, 37112890, 44535468, 55669335, 66803202, 74225780, 111338670, 133606404, 167008005, 222677340, 334016010, 668032020]

約数ペア:

[(1, 668032020), (2, 334016010), (3, 222677340), (4, 167008005), (5, 133606404), (6, 111338670), (9, 74225780), (10, 66803202), (12, 55669335), (15, 44535468), (18, 37112890), (19, 35159580), (20, 33401601), (30, 22267734), (31, 21549420), (36, 18556445), (38, 17579790), (45, 14845156), (57, 11719860), (60, 11133867), (62, 10774710), (76, 8789895), (90, 7422578), (93, 7183140), (95, 7031916), (114, 5859930), (124, 5387355), (155, 4309884), (171, 3906620), (180, 3711289), (186, 3591570), (190, 3515958), (228, 2929965), (279, 2394380), (285, 2343972), (310, 2154942), (342, 1953310), (372, 1795785), (380, 1757979), (465, 1436628), (558, 1197190), (570, 1171986), (589, 1134180), (620, 1077471), (684, 976655), (855, 781324), (930, 718314), (1116, 598595), (1140, 585993), (1178, 567090), (1395, 478876), (1710, 390662), (1767, 378060), (1860, 359157), (2356, 283545), (2790, 239438), (2945, 226836), (3420, 195331), (3534, 189030), (5301, 126020), (5580, 119719), (5890, 113418), (6301, 106020), (7068, 94515), (8835, 75612), (10602, 63010), (11780, 56709), (12602, 53010), (17670, 37806), (18903, 35340), (21204, 31505), (25204, 26505)]