39511980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 126706944

約数和(自身を除く): 87194964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 73, 90, 93, 97, 124, 146, 155, 180, 186, 194, 219, 279, 291, 292, 310, 365, 372, 388, 438, 465, 485, 558, 582, 620, 657, 730, 873, 876, 930, 970, 1095, 1116, 1164, 1314, 1395, 1455, 1460, 1746, 1860, 1940, 2190, 2263, 2628, 2790, 2910, 3007, 3285, 3492, 4365, 4380, 4526, 5580, 5820, 6014, 6570, 6789, 7081, 8730, 9021, 9052, 11315, 12028, 13140, 13578, 14162, 15035, 17460, 18042, 20367, 21243, 22630, 27063, 27156, 28324, 30070, 33945, 35405, 36084, 40734, 42486, 45105, 45260, 54126, 60140, 63729, 67890, 70810, 81468, 84972, 90210, 101835, 106215, 108252, 127458, 135315, 135780, 141620, 180420, 203670, 212430, 219511, 254916, 270630, 318645, 407340, 424860, 439022, 541260, 637290, 658533, 878044, 1097555, 1274580, 1317066, 1975599, 2195110, 2634132, 3292665, 3951198, 4390220, 6585330, 7902396, 9877995, 13170660, 19755990, 39511980]

約数ペア:

[(1, 39511980), (2, 19755990), (3, 13170660), (4, 9877995), (5, 7902396), (6, 6585330), (9, 4390220), (10, 3951198), (12, 3292665), (15, 2634132), (18, 2195110), (20, 1975599), (30, 1317066), (31, 1274580), (36, 1097555), (45, 878044), (60, 658533), (62, 637290), (73, 541260), (90, 439022), (93, 424860), (97, 407340), (124, 318645), (146, 270630), (155, 254916), (180, 219511), (186, 212430), (194, 203670), (219, 180420), (279, 141620), (291, 135780), (292, 135315), (310, 127458), (365, 108252), (372, 106215), (388, 101835), (438, 90210), (465, 84972), (485, 81468), (558, 70810), (582, 67890), (620, 63729), (657, 60140), (730, 54126), (873, 45260), (876, 45105), (930, 42486), (970, 40734), (1095, 36084), (1116, 35405), (1164, 33945), (1314, 30070), (1395, 28324), (1455, 27156), (1460, 27063), (1746, 22630), (1860, 21243), (1940, 20367), (2190, 18042), (2263, 17460), (2628, 15035), (2790, 14162), (2910, 13578), (3007, 13140), (3285, 12028), (3492, 11315), (4365, 9052), (4380, 9021), (4526, 8730), (5580, 7081), (5820, 6789), (6014, 6570)]