81589830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 235339776

約数和(自身を除く): 153749946

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 83, 93, 105, 151, 155, 166, 186, 210, 217, 249, 302, 310, 415, 434, 453, 465, 498, 581, 651, 755, 830, 906, 930, 1057, 1085, 1162, 1245, 1302, 1510, 1743, 2114, 2170, 2265, 2490, 2573, 2905, 3171, 3255, 3486, 4530, 4681, 5146, 5285, 5810, 6342, 6510, 7719, 8715, 9362, 10570, 12533, 12865, 14043, 15438, 15855, 17430, 18011, 23405, 25066, 25730, 28086, 31710, 32767, 36022, 37599, 38595, 46810, 54033, 62665, 65534, 70215, 75198, 77190, 87731, 90055, 98301, 108066, 125330, 140430, 163835, 175462, 180110, 187995, 196602, 263193, 270165, 327670, 375990, 388523, 438655, 491505, 526386, 540330, 777046, 877310, 983010, 1165569, 1315965, 1942615, 2331138, 2631930, 2719661, 3885230, 5439322, 5827845, 8158983, 11655690, 13598305, 16317966, 27196610, 40794915, 81589830]

約数ペア:

[(1, 81589830), (2, 40794915), (3, 27196610), (5, 16317966), (6, 13598305), (7, 11655690), (10, 8158983), (14, 5827845), (15, 5439322), (21, 3885230), (30, 2719661), (31, 2631930), (35, 2331138), (42, 1942615), (62, 1315965), (70, 1165569), (83, 983010), (93, 877310), (105, 777046), (151, 540330), (155, 526386), (166, 491505), (186, 438655), (210, 388523), (217, 375990), (249, 327670), (302, 270165), (310, 263193), (415, 196602), (434, 187995), (453, 180110), (465, 175462), (498, 163835), (581, 140430), (651, 125330), (755, 108066), (830, 98301), (906, 90055), (930, 87731), (1057, 77190), (1085, 75198), (1162, 70215), (1245, 65534), (1302, 62665), (1510, 54033), (1743, 46810), (2114, 38595), (2170, 37599), (2265, 36022), (2490, 32767), (2573, 31710), (2905, 28086), (3171, 25730), (3255, 25066), (3486, 23405), (4530, 18011), (4681, 17430), (5146, 15855), (5285, 15438), (5810, 14043), (6342, 12865), (6510, 12533), (7719, 10570), (8715, 9362)]