31637340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 216

約数和(自身を含む): 118761552

約数和(自身を除く): 87124212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 211, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 422, 441, 476, 490, 510, 588, 595, 612, 630, 633, 714, 735, 765, 833, 844, 882, 980, 1020, 1055, 1071, 1190, 1260, 1266, 1428, 1470, 1477, 1530, 1666, 1764, 1785, 1899, 2110, 2142, 2205, 2380, 2499, 2532, 2940, 2954, 3060, 3165, 3332, 3570, 3587, 3798, 4165, 4220, 4284, 4410, 4431, 4998, 5355, 5908, 6330, 7140, 7174, 7385, 7497, 7596, 8330, 8820, 8862, 9495, 9996, 10339, 10710, 10761, 12495, 12660, 13293, 14348, 14770, 14994, 16660, 17724, 17935, 18990, 20678, 21420, 21522, 22155, 24990, 25109, 26586, 29540, 29988, 31017, 32283, 35870, 37485, 37980, 41356, 43044, 44310, 49980, 50218, 51695, 53172, 53805, 62034, 64566, 66465, 71740, 74970, 75327, 88620, 93051, 100436, 103390, 107610, 124068, 125545, 129132, 132930, 149940, 150654, 155085, 161415, 175763, 186102, 206780, 215220, 225981, 251090, 265860, 301308, 310170, 322830, 351526, 372204, 376635, 451962, 465255, 502180, 527289, 620340, 645660, 703052, 753270, 878815, 903924, 930510, 1054578, 1129905, 1506540, 1581867, 1757630, 1861020, 2109156, 2259810, 2636445, 3163734, 3515260, 4519620, 5272890, 6327468, 7909335, 10545780, 15818670, 31637340]

約数ペア:

[(1, 31637340), (2, 15818670), (3, 10545780), (4, 7909335), (5, 6327468), (6, 5272890), (7, 4519620), (9, 3515260), (10, 3163734), (12, 2636445), (14, 2259810), (15, 2109156), (17, 1861020), (18, 1757630), (20, 1581867), (21, 1506540), (28, 1129905), (30, 1054578), (34, 930510), (35, 903924), (36, 878815), (42, 753270), (45, 703052), (49, 645660), (51, 620340), (60, 527289), (63, 502180), (68, 465255), (70, 451962), (84, 376635), (85, 372204), (90, 351526), (98, 322830), (102, 310170), (105, 301308), (119, 265860), (126, 251090), (140, 225981), (147, 215220), (153, 206780), (170, 186102), (180, 175763), (196, 161415), (204, 155085), (210, 150654), (211, 149940), (238, 132930), (245, 129132), (252, 125545), (255, 124068), (294, 107610), (306, 103390), (315, 100436), (340, 93051), (357, 88620), (420, 75327), (422, 74970), (441, 71740), (476, 66465), (490, 64566), (510, 62034), (588, 53805), (595, 53172), (612, 51695), (630, 50218), (633, 49980), (714, 44310), (735, 43044), (765, 41356), (833, 37980), (844, 37485), (882, 35870), (980, 32283), (1020, 31017), (1055, 29988), (1071, 29540), (1190, 26586), (1260, 25109), (1266, 24990), (1428, 22155), (1470, 21522), (1477, 21420), (1530, 20678), (1666, 18990), (1764, 17935), (1785, 17724), (1899, 16660), (2110, 14994), (2142, 14770), (2205, 14348), (2380, 13293), (2499, 12660), (2532, 12495), (2940, 10761), (2954, 10710), (3060, 10339), (3165, 9996), (3332, 9495), (3570, 8862), (3587, 8820), (3798, 8330), (4165, 7596), (4220, 7497), (4284, 7385), (4410, 7174), (4431, 7140), (4998, 6330), (5355, 5908)]