31795890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 94556160

約数和(自身を除く): 62760270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 29, 30, 35, 42, 46, 58, 69, 70, 87, 105, 115, 138, 145, 161, 174, 203, 210, 227, 230, 290, 322, 345, 406, 435, 454, 483, 609, 667, 681, 690, 805, 870, 966, 1015, 1135, 1218, 1334, 1362, 1589, 1610, 2001, 2030, 2270, 2415, 3045, 3178, 3335, 3405, 4002, 4669, 4767, 4830, 5221, 6090, 6583, 6670, 6810, 7945, 9338, 9534, 10005, 10442, 13166, 14007, 15663, 15890, 19749, 20010, 23345, 23835, 26105, 28014, 31326, 32915, 36547, 39498, 46081, 46690, 47670, 52210, 65830, 70035, 73094, 78315, 92162, 98745, 109641, 138243, 140070, 151409, 156630, 182735, 197490, 219282, 230405, 276486, 302818, 365470, 454227, 460810, 548205, 691215, 757045, 908454, 1059863, 1096410, 1382430, 1514090, 2119726, 2271135, 3179589, 4542270, 5299315, 6359178, 10598630, 15897945, 31795890]

約数ペア:

[(1, 31795890), (2, 15897945), (3, 10598630), (5, 6359178), (6, 5299315), (7, 4542270), (10, 3179589), (14, 2271135), (15, 2119726), (21, 1514090), (23, 1382430), (29, 1096410), (30, 1059863), (35, 908454), (42, 757045), (46, 691215), (58, 548205), (69, 460810), (70, 454227), (87, 365470), (105, 302818), (115, 276486), (138, 230405), (145, 219282), (161, 197490), (174, 182735), (203, 156630), (210, 151409), (227, 140070), (230, 138243), (290, 109641), (322, 98745), (345, 92162), (406, 78315), (435, 73094), (454, 70035), (483, 65830), (609, 52210), (667, 47670), (681, 46690), (690, 46081), (805, 39498), (870, 36547), (966, 32915), (1015, 31326), (1135, 28014), (1218, 26105), (1334, 23835), (1362, 23345), (1589, 20010), (1610, 19749), (2001, 15890), (2030, 15663), (2270, 14007), (2415, 13166), (3045, 10442), (3178, 10005), (3335, 9534), (3405, 9338), (4002, 7945), (4669, 6810), (4767, 6670), (4830, 6583), (5221, 6090)]