31022820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 101687040

約数和(自身を除く): 70664220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 193, 228, 235, 282, 285, 342, 380, 386, 423, 470, 564, 570, 579, 684, 705, 772, 846, 855, 893, 940, 965, 1140, 1158, 1410, 1692, 1710, 1737, 1786, 1930, 2115, 2316, 2679, 2820, 2895, 3420, 3474, 3572, 3667, 3860, 4230, 4465, 5358, 5790, 6948, 7334, 8037, 8460, 8685, 8930, 9071, 10716, 11001, 11580, 13395, 14668, 16074, 17370, 17860, 18142, 18335, 22002, 26790, 27213, 32148, 33003, 34740, 36284, 36670, 40185, 44004, 45355, 53580, 54426, 55005, 66006, 73340, 80370, 81639, 90710, 108852, 110010, 132012, 136065, 160740, 163278, 165015, 172349, 181420, 220020, 272130, 326556, 330030, 344698, 408195, 517047, 544260, 660060, 689396, 816390, 861745, 1034094, 1551141, 1632780, 1723490, 2068188, 2585235, 3102282, 3446980, 5170470, 6204564, 7755705, 10340940, 15511410, 31022820]

約数ペア:

[(1, 31022820), (2, 15511410), (3, 10340940), (4, 7755705), (5, 6204564), (6, 5170470), (9, 3446980), (10, 3102282), (12, 2585235), (15, 2068188), (18, 1723490), (19, 1632780), (20, 1551141), (30, 1034094), (36, 861745), (38, 816390), (45, 689396), (47, 660060), (57, 544260), (60, 517047), (76, 408195), (90, 344698), (94, 330030), (95, 326556), (114, 272130), (141, 220020), (171, 181420), (180, 172349), (188, 165015), (190, 163278), (193, 160740), (228, 136065), (235, 132012), (282, 110010), (285, 108852), (342, 90710), (380, 81639), (386, 80370), (423, 73340), (470, 66006), (564, 55005), (570, 54426), (579, 53580), (684, 45355), (705, 44004), (772, 40185), (846, 36670), (855, 36284), (893, 34740), (940, 33003), (965, 32148), (1140, 27213), (1158, 26790), (1410, 22002), (1692, 18335), (1710, 18142), (1737, 17860), (1786, 17370), (1930, 16074), (2115, 14668), (2316, 13395), (2679, 11580), (2820, 11001), (2895, 10716), (3420, 9071), (3474, 8930), (3572, 8685), (3667, 8460), (3860, 8037), (4230, 7334), (4465, 6948), (5358, 5790)]