217991340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10177}}^1$

素因数の和:10216

約数の個数: 144

約数和(自身を含む): 800235072

約数和(自身を除く): 582243732

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, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10177, 10710, 20354, 21420, 30531, 40708, 50885, 61062, 71239, 91593, 101770, 122124, 142478, 152655, 173009, 183186, 203540, 213717, 284956, 305310, 346018, 356195, 366372, 427434, 457965, 519027, 610620, 641151, 692036, 712390, 854868, 865045, 915930, 1038054, 1068585, 1211063, 1282302, 1424780, 1557081, 1730090, 1831860, 2076108, 2137170, 2422126, 2564604, 2595135, 3114162, 3205755, 3460180, 3633189, 4274340, 4844252, 5190270, 6055315, 6228324, 6411510, 7266378, 7785405, 10380540, 10899567, 12110630, 12823020, 14532756, 15570810, 18165945, 21799134, 24221260, 31141620, 36331890, 43598268, 54497835, 72663780, 108995670, 217991340]

約数ペア:

[(1, 217991340), (2, 108995670), (3, 72663780), (4, 54497835), (5, 43598268), (6, 36331890), (7, 31141620), (9, 24221260), (10, 21799134), (12, 18165945), (14, 15570810), (15, 14532756), (17, 12823020), (18, 12110630), (20, 10899567), (21, 10380540), (28, 7785405), (30, 7266378), (34, 6411510), (35, 6228324), (36, 6055315), (42, 5190270), (45, 4844252), (51, 4274340), (60, 3633189), (63, 3460180), (68, 3205755), (70, 3114162), (84, 2595135), (85, 2564604), (90, 2422126), (102, 2137170), (105, 2076108), (119, 1831860), (126, 1730090), (140, 1557081), (153, 1424780), (170, 1282302), (180, 1211063), (204, 1068585), (210, 1038054), (238, 915930), (252, 865045), (255, 854868), (306, 712390), (315, 692036), (340, 641151), (357, 610620), (420, 519027), (476, 457965), (510, 427434), (595, 366372), (612, 356195), (630, 346018), (714, 305310), (765, 284956), (1020, 213717), (1071, 203540), (1190, 183186), (1260, 173009), (1428, 152655), (1530, 142478), (1785, 122124), (2142, 101770), (2380, 91593), (3060, 71239), (3570, 61062), (4284, 50885), (5355, 40708), (7140, 30531), (10177, 21420), (10710, 20354)]