261619416

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 128

約数和(自身を含む): 760320000

約数和(自身を除く): 498700584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 89, 93, 108, 124, 178, 186, 216, 248, 267, 279, 356, 372, 439, 534, 558, 712, 744, 801, 837, 878, 1068, 1116, 1317, 1602, 1674, 1756, 2136, 2232, 2403, 2634, 2759, 3204, 3348, 3512, 3951, 4806, 5268, 5518, 6408, 6696, 7902, 8277, 9612, 10536, 11036, 11853, 13609, 15804, 16554, 19224, 22072, 23706, 24831, 27218, 31608, 33108, 39071, 40827, 47412, 49662, 54436, 66216, 74493, 78142, 81654, 94824, 99324, 108872, 117213, 122481, 148986, 156284, 163308, 198648, 234426, 244962, 297972, 312568, 326616, 351639, 367443, 468852, 489924, 595944, 703278, 734886, 937704, 979848, 1054917, 1211201, 1406556, 1469772, 2109834, 2422402, 2813112, 2939544, 3633603, 4219668, 4844804, 7267206, 8439336, 9689608, 10900809, 14534412, 21801618, 29068824, 32702427, 43603236, 65404854, 87206472, 130809708, 261619416]

約数ペア:

[(1, 261619416), (2, 130809708), (3, 87206472), (4, 65404854), (6, 43603236), (8, 32702427), (9, 29068824), (12, 21801618), (18, 14534412), (24, 10900809), (27, 9689608), (31, 8439336), (36, 7267206), (54, 4844804), (62, 4219668), (72, 3633603), (89, 2939544), (93, 2813112), (108, 2422402), (124, 2109834), (178, 1469772), (186, 1406556), (216, 1211201), (248, 1054917), (267, 979848), (279, 937704), (356, 734886), (372, 703278), (439, 595944), (534, 489924), (558, 468852), (712, 367443), (744, 351639), (801, 326616), (837, 312568), (878, 297972), (1068, 244962), (1116, 234426), (1317, 198648), (1602, 163308), (1674, 156284), (1756, 148986), (2136, 122481), (2232, 117213), (2403, 108872), (2634, 99324), (2759, 94824), (3204, 81654), (3348, 78142), (3512, 74493), (3951, 66216), (4806, 54436), (5268, 49662), (5518, 47412), (6408, 40827), (6696, 39071), (7902, 33108), (8277, 31608), (9612, 27218), (10536, 24831), (11036, 23706), (11853, 22072), (13609, 19224), (15804, 16554)]