161658420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3181}}^1$

素因数の和:3222

約数の個数: 144

約数和(自身を含む): 568788864

約数和(自身を除く): 407130444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3181, 3388, 3630, 4235, 4620, 5082, 6362, 7260, 8470, 9543, 10164, 12705, 12724, 15905, 16940, 19086, 22267, 25410, 31810, 34991, 38172, 44534, 47715, 50820, 63620, 66801, 69982, 89068, 95430, 104973, 111335, 133602, 139964, 174955, 190860, 209946, 222670, 244937, 267204, 334005, 349910, 384901, 419892, 445340, 489874, 524865, 668010, 699820, 734811, 769802, 979748, 1049730, 1154703, 1224685, 1336020, 1469622, 1539604, 1924505, 2099460, 2309406, 2449370, 2694307, 2939244, 3674055, 3849010, 4618812, 4898740, 5388614, 5773515, 7348110, 7698020, 8082921, 10777228, 11547030, 13471535, 14696220, 16165842, 23094060, 26943070, 32331684, 40414605, 53886140, 80829210, 161658420]

約数ペア:

[(1, 161658420), (2, 80829210), (3, 53886140), (4, 40414605), (5, 32331684), (6, 26943070), (7, 23094060), (10, 16165842), (11, 14696220), (12, 13471535), (14, 11547030), (15, 10777228), (20, 8082921), (21, 7698020), (22, 7348110), (28, 5773515), (30, 5388614), (33, 4898740), (35, 4618812), (42, 3849010), (44, 3674055), (55, 2939244), (60, 2694307), (66, 2449370), (70, 2309406), (77, 2099460), (84, 1924505), (105, 1539604), (110, 1469622), (121, 1336020), (132, 1224685), (140, 1154703), (154, 1049730), (165, 979748), (210, 769802), (220, 734811), (231, 699820), (242, 668010), (308, 524865), (330, 489874), (363, 445340), (385, 419892), (420, 384901), (462, 349910), (484, 334005), (605, 267204), (660, 244937), (726, 222670), (770, 209946), (847, 190860), (924, 174955), (1155, 139964), (1210, 133602), (1452, 111335), (1540, 104973), (1694, 95430), (1815, 89068), (2310, 69982), (2420, 66801), (2541, 63620), (3181, 50820), (3388, 47715), (3630, 44534), (4235, 38172), (4620, 34991), (5082, 31810), (6362, 25410), (7260, 22267), (8470, 19086), (9543, 16940), (10164, 15905), (12705, 12724)]