320415690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{593}}^1$

素因数の和:724

約数の個数: 128

約数和(自身を含む): 919683072

約数和(自身を除く): 599267382

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 83, 93, 105, 155, 166, 186, 210, 217, 249, 310, 415, 434, 465, 498, 581, 593, 651, 830, 930, 1085, 1162, 1186, 1245, 1302, 1743, 1779, 2170, 2490, 2573, 2905, 2965, 3255, 3486, 3558, 4151, 5146, 5810, 5930, 6510, 7719, 8302, 8715, 8895, 12453, 12865, 15438, 17430, 17790, 18011, 18383, 20755, 24906, 25730, 36022, 36766, 38595, 41510, 49219, 54033, 55149, 62265, 77190, 90055, 91915, 98438, 108066, 110298, 124530, 128681, 147657, 180110, 183830, 246095, 257362, 270165, 275745, 295314, 344533, 386043, 492190, 540330, 551490, 643405, 689066, 738285, 772086, 1033599, 1286810, 1476570, 1525789, 1722665, 1930215, 2067198, 3051578, 3445330, 3860430, 4577367, 5167995, 7628945, 9154734, 10335990, 10680523, 15257890, 21361046, 22886835, 32041569, 45773670, 53402615, 64083138, 106805230, 160207845, 320415690]

約数ペア:

[(1, 320415690), (2, 160207845), (3, 106805230), (5, 64083138), (6, 53402615), (7, 45773670), (10, 32041569), (14, 22886835), (15, 21361046), (21, 15257890), (30, 10680523), (31, 10335990), (35, 9154734), (42, 7628945), (62, 5167995), (70, 4577367), (83, 3860430), (93, 3445330), (105, 3051578), (155, 2067198), (166, 1930215), (186, 1722665), (210, 1525789), (217, 1476570), (249, 1286810), (310, 1033599), (415, 772086), (434, 738285), (465, 689066), (498, 643405), (581, 551490), (593, 540330), (651, 492190), (830, 386043), (930, 344533), (1085, 295314), (1162, 275745), (1186, 270165), (1245, 257362), (1302, 246095), (1743, 183830), (1779, 180110), (2170, 147657), (2490, 128681), (2573, 124530), (2905, 110298), (2965, 108066), (3255, 98438), (3486, 91915), (3558, 90055), (4151, 77190), (5146, 62265), (5810, 55149), (5930, 54033), (6510, 49219), (7719, 41510), (8302, 38595), (8715, 36766), (8895, 36022), (12453, 25730), (12865, 24906), (15438, 20755), (17430, 18383), (17790, 18011)]