81022340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 209744640

約数和(自身を除く): 128722300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 59, 68, 70, 85, 118, 119, 140, 170, 236, 238, 295, 340, 413, 476, 577, 590, 595, 826, 1003, 1154, 1180, 1190, 1652, 2006, 2065, 2308, 2380, 2885, 4012, 4039, 4130, 5015, 5770, 7021, 8078, 8260, 9809, 10030, 11540, 14042, 16156, 19618, 20060, 20195, 28084, 34043, 35105, 39236, 40390, 49045, 68086, 68663, 70210, 80780, 98090, 136172, 137326, 140420, 170215, 196180, 238301, 274652, 340430, 343315, 476602, 578731, 680860, 686630, 953204, 1157462, 1191505, 1373260, 2314924, 2383010, 2893655, 4051117, 4766020, 5787310, 8102234, 11574620, 16204468, 20255585, 40511170, 81022340]

約数ペア:

[(1, 81022340), (2, 40511170), (4, 20255585), (5, 16204468), (7, 11574620), (10, 8102234), (14, 5787310), (17, 4766020), (20, 4051117), (28, 2893655), (34, 2383010), (35, 2314924), (59, 1373260), (68, 1191505), (70, 1157462), (85, 953204), (118, 686630), (119, 680860), (140, 578731), (170, 476602), (236, 343315), (238, 340430), (295, 274652), (340, 238301), (413, 196180), (476, 170215), (577, 140420), (590, 137326), (595, 136172), (826, 98090), (1003, 80780), (1154, 70210), (1180, 68663), (1190, 68086), (1652, 49045), (2006, 40390), (2065, 39236), (2308, 35105), (2380, 34043), (2885, 28084), (4012, 20195), (4039, 20060), (4130, 19618), (5015, 16156), (5770, 14042), (7021, 11540), (8078, 10030), (8260, 9809)]