81537540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2441

約数の個数: 96

約数和(自身を含む): 264176640

約数和(自身を除く): 182639100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 996, 1162, 1245, 1660, 1743, 2324, 2339, 2490, 2905, 3486, 4678, 4980, 5810, 6972, 7017, 8715, 9356, 11620, 11695, 14034, 16373, 17430, 23390, 28068, 32746, 34860, 35085, 46780, 49119, 65492, 70170, 81865, 98238, 140340, 163730, 194137, 196476, 245595, 327460, 388274, 491190, 582411, 776548, 970685, 982380, 1164822, 1358959, 1941370, 2329644, 2717918, 2912055, 3882740, 4076877, 5435836, 5824110, 6794795, 8153754, 11648220, 13589590, 16307508, 20384385, 27179180, 40768770, 81537540]

約数ペア:

[(1, 81537540), (2, 40768770), (3, 27179180), (4, 20384385), (5, 16307508), (6, 13589590), (7, 11648220), (10, 8153754), (12, 6794795), (14, 5824110), (15, 5435836), (20, 4076877), (21, 3882740), (28, 2912055), (30, 2717918), (35, 2329644), (42, 1941370), (60, 1358959), (70, 1164822), (83, 982380), (84, 970685), (105, 776548), (140, 582411), (166, 491190), (210, 388274), (249, 327460), (332, 245595), (415, 196476), (420, 194137), (498, 163730), (581, 140340), (830, 98238), (996, 81865), (1162, 70170), (1245, 65492), (1660, 49119), (1743, 46780), (2324, 35085), (2339, 34860), (2490, 32746), (2905, 28068), (3486, 23390), (4678, 17430), (4980, 16373), (5810, 14034), (6972, 11695), (7017, 11620), (8715, 9356)]