40663980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 143619840

約数和(自身を除く): 102955860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 547, 590, 630, 708, 826, 885, 1062, 1094, 1180, 1239, 1260, 1641, 1652, 1770, 2065, 2124, 2188, 2478, 2655, 2735, 3282, 3540, 3717, 3829, 4130, 4923, 4956, 5310, 5470, 6195, 6564, 7434, 7658, 8205, 8260, 9846, 10620, 10940, 11487, 12390, 14868, 15316, 16410, 18585, 19145, 19692, 22974, 24615, 24780, 32273, 32820, 34461, 37170, 38290, 45948, 49230, 57435, 64546, 68922, 74340, 76580, 96819, 98460, 114870, 129092, 137844, 161365, 172305, 193638, 225911, 229740, 290457, 322730, 344610, 387276, 451822, 484095, 580914, 645460, 677733, 689220, 903644, 968190, 1129555, 1161828, 1355466, 1452285, 1936380, 2033199, 2259110, 2710932, 2904570, 3388665, 4066398, 4518220, 5809140, 6777330, 8132796, 10165995, 13554660, 20331990, 40663980]

約数ペア:

[(1, 40663980), (2, 20331990), (3, 13554660), (4, 10165995), (5, 8132796), (6, 6777330), (7, 5809140), (9, 4518220), (10, 4066398), (12, 3388665), (14, 2904570), (15, 2710932), (18, 2259110), (20, 2033199), (21, 1936380), (28, 1452285), (30, 1355466), (35, 1161828), (36, 1129555), (42, 968190), (45, 903644), (59, 689220), (60, 677733), (63, 645460), (70, 580914), (84, 484095), (90, 451822), (105, 387276), (118, 344610), (126, 322730), (140, 290457), (177, 229740), (180, 225911), (210, 193638), (236, 172305), (252, 161365), (295, 137844), (315, 129092), (354, 114870), (413, 98460), (420, 96819), (531, 76580), (547, 74340), (590, 68922), (630, 64546), (708, 57435), (826, 49230), (885, 45948), (1062, 38290), (1094, 37170), (1180, 34461), (1239, 32820), (1260, 32273), (1641, 24780), (1652, 24615), (1770, 22974), (2065, 19692), (2124, 19145), (2188, 18585), (2478, 16410), (2655, 15316), (2735, 14868), (3282, 12390), (3540, 11487), (3717, 10940), (3829, 10620), (4130, 9846), (4923, 8260), (4956, 8205), (5310, 7658), (5470, 7434), (6195, 6564)]