722145420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{163}}^2$

素因数の和:492

約数の個数: 108

約数和(自身を含む): 2218625136

約数和(自身を除く): 1496479716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 163, 180, 302, 326, 453, 489, 604, 652, 755, 815, 906, 978, 1359, 1467, 1510, 1630, 1812, 1956, 2265, 2445, 2718, 2934, 3020, 3260, 4530, 4890, 5436, 5868, 6795, 7335, 9060, 9780, 13590, 14670, 24613, 26569, 27180, 29340, 49226, 53138, 73839, 79707, 98452, 106276, 123065, 132845, 147678, 159414, 221517, 239121, 246130, 265690, 295356, 318828, 369195, 398535, 443034, 478242, 492260, 531380, 738390, 797070, 886068, 956484, 1107585, 1195605, 1476780, 1594140, 2215170, 2391210, 4011919, 4430340, 4782420, 8023838, 12035757, 16047676, 20059595, 24071514, 36107271, 40119190, 48143028, 60178785, 72214542, 80238380, 120357570, 144429084, 180536355, 240715140, 361072710, 722145420]

約数ペア:

[(1, 722145420), (2, 361072710), (3, 240715140), (4, 180536355), (5, 144429084), (6, 120357570), (9, 80238380), (10, 72214542), (12, 60178785), (15, 48143028), (18, 40119190), (20, 36107271), (30, 24071514), (36, 20059595), (45, 16047676), (60, 12035757), (90, 8023838), (151, 4782420), (163, 4430340), (180, 4011919), (302, 2391210), (326, 2215170), (453, 1594140), (489, 1476780), (604, 1195605), (652, 1107585), (755, 956484), (815, 886068), (906, 797070), (978, 738390), (1359, 531380), (1467, 492260), (1510, 478242), (1630, 443034), (1812, 398535), (1956, 369195), (2265, 318828), (2445, 295356), (2718, 265690), (2934, 246130), (3020, 239121), (3260, 221517), (4530, 159414), (4890, 147678), (5436, 132845), (5868, 123065), (6795, 106276), (7335, 98452), (9060, 79707), (9780, 73839), (13590, 53138), (14670, 49226), (24613, 29340), (26569, 27180)]