245035980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1721}}^1$

素因数の和:1856

約数の個数: 144

約数和(自身を含む): 857473344

約数和(自身を除く): 612437364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 226, 252, 315, 339, 420, 452, 565, 630, 678, 791, 1017, 1130, 1260, 1356, 1582, 1695, 1721, 2034, 2260, 2373, 3164, 3390, 3442, 3955, 4068, 4746, 5085, 5163, 6780, 6884, 7119, 7910, 8605, 9492, 10170, 10326, 11865, 12047, 14238, 15489, 15820, 17210, 20340, 20652, 23730, 24094, 25815, 28476, 30978, 34420, 35595, 36141, 47460, 48188, 51630, 60235, 61956, 71190, 72282, 77445, 103260, 108423, 120470, 142380, 144564, 154890, 180705, 194473, 216846, 240940, 309780, 361410, 388946, 433692, 542115, 583419, 722820, 777892, 972365, 1084230, 1166838, 1361311, 1750257, 1944730, 2168460, 2333676, 2722622, 2917095, 3500514, 3889460, 4083933, 5445244, 5834190, 6806555, 7001028, 8167866, 8751285, 11668380, 12251799, 13613110, 16335732, 17502570, 20419665, 24503598, 27226220, 35005140, 40839330, 49007196, 61258995, 81678660, 122517990, 245035980]

約数ペア:

[(1, 245035980), (2, 122517990), (3, 81678660), (4, 61258995), (5, 49007196), (6, 40839330), (7, 35005140), (9, 27226220), (10, 24503598), (12, 20419665), (14, 17502570), (15, 16335732), (18, 13613110), (20, 12251799), (21, 11668380), (28, 8751285), (30, 8167866), (35, 7001028), (36, 6806555), (42, 5834190), (45, 5445244), (60, 4083933), (63, 3889460), (70, 3500514), (84, 2917095), (90, 2722622), (105, 2333676), (113, 2168460), (126, 1944730), (140, 1750257), (180, 1361311), (210, 1166838), (226, 1084230), (252, 972365), (315, 777892), (339, 722820), (420, 583419), (452, 542115), (565, 433692), (630, 388946), (678, 361410), (791, 309780), (1017, 240940), (1130, 216846), (1260, 194473), (1356, 180705), (1582, 154890), (1695, 144564), (1721, 142380), (2034, 120470), (2260, 108423), (2373, 103260), (3164, 77445), (3390, 72282), (3442, 71190), (3955, 61956), (4068, 60235), (4746, 51630), (5085, 48188), (5163, 47460), (6780, 36141), (6884, 35595), (7119, 34420), (7910, 30978), (8605, 28476), (9492, 25815), (10170, 24094), (10326, 23730), (11865, 20652), (12047, 20340), (14238, 17210), (15489, 15820)]