71121240

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 240907680

約数和(自身を除く): 169786440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 271, 324, 360, 405, 486, 540, 542, 648, 729, 810, 813, 972, 1080, 1084, 1215, 1355, 1458, 1620, 1626, 1944, 2168, 2187, 2430, 2439, 2710, 2916, 3240, 3252, 3645, 4065, 4374, 4860, 4878, 5420, 5832, 6504, 6561, 7290, 7317, 8130, 8748, 9720, 9756, 10840, 10935, 12195, 13122, 14580, 14634, 16260, 17496, 19512, 21870, 21951, 24390, 26244, 29160, 29268, 32520, 32805, 36585, 43740, 43902, 48780, 52488, 58536, 65610, 65853, 73170, 87480, 87804, 97560, 109755, 131220, 131706, 146340, 175608, 197559, 219510, 262440, 263412, 292680, 329265, 395118, 439020, 526824, 592677, 658530, 790236, 878040, 987795, 1185354, 1317060, 1580472, 1778031, 1975590, 2370708, 2634120, 2963385, 3556062, 3951180, 4741416, 5926770, 7112124, 7902360, 8890155, 11853540, 14224248, 17780310, 23707080, 35560620, 71121240]

約数ペア:

[(1, 71121240), (2, 35560620), (3, 23707080), (4, 17780310), (5, 14224248), (6, 11853540), (8, 8890155), (9, 7902360), (10, 7112124), (12, 5926770), (15, 4741416), (18, 3951180), (20, 3556062), (24, 2963385), (27, 2634120), (30, 2370708), (36, 1975590), (40, 1778031), (45, 1580472), (54, 1317060), (60, 1185354), (72, 987795), (81, 878040), (90, 790236), (108, 658530), (120, 592677), (135, 526824), (162, 439020), (180, 395118), (216, 329265), (243, 292680), (270, 263412), (271, 262440), (324, 219510), (360, 197559), (405, 175608), (486, 146340), (540, 131706), (542, 131220), (648, 109755), (729, 97560), (810, 87804), (813, 87480), (972, 73170), (1080, 65853), (1084, 65610), (1215, 58536), (1355, 52488), (1458, 48780), (1620, 43902), (1626, 43740), (1944, 36585), (2168, 32805), (2187, 32520), (2430, 29268), (2439, 29160), (2710, 26244), (2916, 24390), (3240, 21951), (3252, 21870), (3645, 19512), (4065, 17496), (4374, 16260), (4860, 14634), (4878, 14580), (5420, 13122), (5832, 12195), (6504, 10935), (6561, 10840), (7290, 9756), (7317, 9720), (8130, 8748)]