161746620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20307

約数の個数: 96

約数和(自身を含む): 544857600

約数和(自身を除く): 383110980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 20269, 40538, 60807, 81076, 101345, 121614, 141883, 202690, 243228, 283766, 304035, 385111, 405380, 425649, 567532, 608070, 709415, 770222, 851298, 1155333, 1216140, 1418830, 1540444, 1702596, 1925555, 2128245, 2310666, 2695777, 2837660, 3851110, 4256490, 4621332, 5391554, 5776665, 7702220, 8087331, 8512980, 10783108, 11553330, 13478885, 16174662, 23106660, 26957770, 32349324, 40436655, 53915540, 80873310, 161746620]

約数ペア:

[(1, 161746620), (2, 80873310), (3, 53915540), (4, 40436655), (5, 32349324), (6, 26957770), (7, 23106660), (10, 16174662), (12, 13478885), (14, 11553330), (15, 10783108), (19, 8512980), (20, 8087331), (21, 7702220), (28, 5776665), (30, 5391554), (35, 4621332), (38, 4256490), (42, 3851110), (57, 2837660), (60, 2695777), (70, 2310666), (76, 2128245), (84, 1925555), (95, 1702596), (105, 1540444), (114, 1418830), (133, 1216140), (140, 1155333), (190, 851298), (210, 770222), (228, 709415), (266, 608070), (285, 567532), (380, 425649), (399, 405380), (420, 385111), (532, 304035), (570, 283766), (665, 243228), (798, 202690), (1140, 141883), (1330, 121614), (1596, 101345), (1995, 81076), (2660, 60807), (3990, 40538), (7980, 20269)]