178125780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1478

約数の個数: 144

約数和(自身を含む): 594095040

約数和(自身を除く): 415969260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 735, 860, 903, 980, 1204, 1290, 1409, 1470, 1505, 1806, 2107, 2580, 2818, 2940, 3010, 3612, 4214, 4227, 4515, 5636, 6020, 6321, 7045, 8428, 8454, 9030, 9863, 10535, 12642, 14090, 16908, 18060, 19726, 21070, 21135, 25284, 28180, 29589, 31605, 39452, 42140, 42270, 49315, 59178, 60587, 63210, 69041, 84540, 98630, 118356, 121174, 126420, 138082, 147945, 181761, 197260, 207123, 242348, 276164, 295890, 302935, 345205, 363522, 414246, 424109, 591780, 605870, 690410, 727044, 828492, 848218, 908805, 1035615, 1211740, 1272327, 1380820, 1696436, 1817610, 2071230, 2120545, 2544654, 2968763, 3635220, 4142460, 4241090, 5089308, 5937526, 6361635, 8482180, 8906289, 11875052, 12723270, 14843815, 17812578, 25446540, 29687630, 35625156, 44531445, 59375260, 89062890, 178125780]

約数ペア:

[(1, 178125780), (2, 89062890), (3, 59375260), (4, 44531445), (5, 35625156), (6, 29687630), (7, 25446540), (10, 17812578), (12, 14843815), (14, 12723270), (15, 11875052), (20, 8906289), (21, 8482180), (28, 6361635), (30, 5937526), (35, 5089308), (42, 4241090), (43, 4142460), (49, 3635220), (60, 2968763), (70, 2544654), (84, 2120545), (86, 2071230), (98, 1817610), (105, 1696436), (129, 1380820), (140, 1272327), (147, 1211740), (172, 1035615), (196, 908805), (210, 848218), (215, 828492), (245, 727044), (258, 690410), (294, 605870), (301, 591780), (420, 424109), (430, 414246), (490, 363522), (516, 345205), (588, 302935), (602, 295890), (645, 276164), (735, 242348), (860, 207123), (903, 197260), (980, 181761), (1204, 147945), (1290, 138082), (1409, 126420), (1470, 121174), (1505, 118356), (1806, 98630), (2107, 84540), (2580, 69041), (2818, 63210), (2940, 60587), (3010, 59178), (3612, 49315), (4214, 42270), (4227, 42140), (4515, 39452), (5636, 31605), (6020, 29589), (6321, 28180), (7045, 25284), (8428, 21135), (8454, 21070), (9030, 19726), (9863, 18060), (10535, 16908), (12642, 14090)]