187861860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 595026432

約数和(自身を除く): 407164572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 131, 155, 180, 186, 257, 262, 279, 310, 372, 393, 465, 514, 524, 558, 620, 655, 771, 786, 930, 1028, 1116, 1179, 1285, 1310, 1395, 1542, 1572, 1860, 1965, 2313, 2358, 2570, 2620, 2790, 3084, 3855, 3930, 4061, 4626, 4716, 5140, 5580, 5895, 7710, 7860, 7967, 8122, 9252, 11565, 11790, 12183, 15420, 15934, 16244, 20305, 23130, 23580, 23901, 24366, 31868, 33667, 36549, 39835, 40610, 46260, 47802, 48732, 60915, 67334, 71703, 73098, 79670, 81220, 95604, 101001, 119505, 121830, 134668, 143406, 146196, 159340, 168335, 182745, 202002, 239010, 243660, 286812, 303003, 336670, 358515, 365490, 404004, 478020, 505005, 606006, 673340, 717030, 730980, 1010010, 1043677, 1212012, 1434060, 1515015, 2020020, 2087354, 3030030, 3131031, 4174708, 5218385, 6060060, 6262062, 9393093, 10436770, 12524124, 15655155, 18786186, 20873540, 31310310, 37572372, 46965465, 62620620, 93930930, 187861860]

約数ペア:

[(1, 187861860), (2, 93930930), (3, 62620620), (4, 46965465), (5, 37572372), (6, 31310310), (9, 20873540), (10, 18786186), (12, 15655155), (15, 12524124), (18, 10436770), (20, 9393093), (30, 6262062), (31, 6060060), (36, 5218385), (45, 4174708), (60, 3131031), (62, 3030030), (90, 2087354), (93, 2020020), (124, 1515015), (131, 1434060), (155, 1212012), (180, 1043677), (186, 1010010), (257, 730980), (262, 717030), (279, 673340), (310, 606006), (372, 505005), (393, 478020), (465, 404004), (514, 365490), (524, 358515), (558, 336670), (620, 303003), (655, 286812), (771, 243660), (786, 239010), (930, 202002), (1028, 182745), (1116, 168335), (1179, 159340), (1285, 146196), (1310, 143406), (1395, 134668), (1542, 121830), (1572, 119505), (1860, 101001), (1965, 95604), (2313, 81220), (2358, 79670), (2570, 73098), (2620, 71703), (2790, 67334), (3084, 60915), (3855, 48732), (3930, 47802), (4061, 46260), (4626, 40610), (4716, 39835), (5140, 36549), (5580, 33667), (5895, 31868), (7710, 24366), (7860, 23901), (7967, 23580), (8122, 23130), (9252, 20305), (11565, 16244), (11790, 15934), (12183, 15420)]