31327380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 115944192

約数和(自身を除く): 84616812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 47, 60, 63, 69, 70, 84, 90, 92, 94, 105, 115, 126, 138, 140, 141, 161, 180, 188, 207, 210, 230, 235, 252, 276, 282, 315, 322, 329, 345, 414, 420, 423, 460, 470, 483, 529, 564, 630, 644, 658, 690, 705, 805, 828, 846, 940, 966, 987, 1035, 1058, 1081, 1260, 1316, 1380, 1410, 1449, 1587, 1610, 1645, 1692, 1932, 1974, 2070, 2115, 2116, 2162, 2415, 2645, 2820, 2898, 2961, 3174, 3220, 3243, 3290, 3703, 3948, 4140, 4230, 4324, 4761, 4830, 4935, 5290, 5405, 5796, 5922, 6348, 6486, 6580, 7245, 7406, 7567, 7935, 8460, 9522, 9660, 9729, 9870, 10580, 10810, 11109, 11844, 12972, 14490, 14805, 14812, 15134, 15870, 16215, 18515, 19044, 19458, 19740, 21620, 22218, 22701, 23805, 24863, 28980, 29610, 30268, 31740, 32430, 33327, 37030, 37835, 38916, 44436, 45402, 47610, 48645, 49726, 55545, 59220, 64860, 66654, 68103, 74060, 74589, 75670, 90804, 95220, 97290, 99452, 111090, 113505, 124315, 133308, 136206, 149178, 151340, 166635, 174041, 194580, 222180, 223767, 227010, 248630, 272412, 298356, 333270, 340515, 348082, 372945, 447534, 454020, 497260, 522123, 666540, 681030, 696164, 745890, 870205, 895068, 1044246, 1118835, 1362060, 1491780, 1566369, 1740410, 2088492, 2237670, 2610615, 3132738, 3480820, 4475340, 5221230, 6265476, 7831845, 10442460, 15663690, 31327380]

約数ペア:

[(1, 31327380), (2, 15663690), (3, 10442460), (4, 7831845), (5, 6265476), (6, 5221230), (7, 4475340), (9, 3480820), (10, 3132738), (12, 2610615), (14, 2237670), (15, 2088492), (18, 1740410), (20, 1566369), (21, 1491780), (23, 1362060), (28, 1118835), (30, 1044246), (35, 895068), (36, 870205), (42, 745890), (45, 696164), (46, 681030), (47, 666540), (60, 522123), (63, 497260), (69, 454020), (70, 447534), (84, 372945), (90, 348082), (92, 340515), (94, 333270), (105, 298356), (115, 272412), (126, 248630), (138, 227010), (140, 223767), (141, 222180), (161, 194580), (180, 174041), (188, 166635), (207, 151340), (210, 149178), (230, 136206), (235, 133308), (252, 124315), (276, 113505), (282, 111090), (315, 99452), (322, 97290), (329, 95220), (345, 90804), (414, 75670), (420, 74589), (423, 74060), (460, 68103), (470, 66654), (483, 64860), (529, 59220), (564, 55545), (630, 49726), (644, 48645), (658, 47610), (690, 45402), (705, 44436), (805, 38916), (828, 37835), (846, 37030), (940, 33327), (966, 32430), (987, 31740), (1035, 30268), (1058, 29610), (1081, 28980), (1260, 24863), (1316, 23805), (1380, 22701), (1410, 22218), (1449, 21620), (1587, 19740), (1610, 19458), (1645, 19044), (1692, 18515), (1932, 16215), (1974, 15870), (2070, 15134), (2115, 14812), (2116, 14805), (2162, 14490), (2415, 12972), (2645, 11844), (2820, 11109), (2898, 10810), (2961, 10580), (3174, 9870), (3220, 9729), (3243, 9660), (3290, 9522), (3703, 8460), (3948, 7935), (4140, 7567), (4230, 7406), (4324, 7245), (4761, 6580), (4830, 6486), (4935, 6348), (5290, 5922), (5405, 5796)]