278269740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1112

約数の個数: 144

約数和(自身を含む): 969433920

約数和(自身を除く): 691164180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 269, 315, 420, 538, 630, 807, 821, 1076, 1260, 1345, 1614, 1642, 1883, 2421, 2463, 2690, 3228, 3284, 3766, 4035, 4105, 4842, 4926, 5380, 5649, 5747, 7389, 7532, 8070, 8210, 9415, 9684, 9852, 11298, 11494, 12105, 12315, 14778, 16140, 16420, 16947, 17241, 18830, 22596, 22988, 24210, 24630, 28245, 28735, 29556, 33894, 34482, 36945, 37660, 48420, 49260, 51723, 56490, 57470, 67788, 68964, 73890, 84735, 86205, 103446, 112980, 114940, 147780, 169470, 172410, 206892, 220849, 258615, 338940, 344820, 441698, 517230, 662547, 883396, 1034460, 1104245, 1325094, 1545943, 1987641, 2208490, 2650188, 3091886, 3312735, 3975282, 4416980, 4637829, 6183772, 6625470, 7729715, 7950564, 9275658, 9938205, 13250940, 13913487, 15459430, 18551316, 19876410, 23189145, 27826974, 30918860, 39752820, 46378290, 55653948, 69567435, 92756580, 139134870, 278269740]

約数ペア:

[(1, 278269740), (2, 139134870), (3, 92756580), (4, 69567435), (5, 55653948), (6, 46378290), (7, 39752820), (9, 30918860), (10, 27826974), (12, 23189145), (14, 19876410), (15, 18551316), (18, 15459430), (20, 13913487), (21, 13250940), (28, 9938205), (30, 9275658), (35, 7950564), (36, 7729715), (42, 6625470), (45, 6183772), (60, 4637829), (63, 4416980), (70, 3975282), (84, 3312735), (90, 3091886), (105, 2650188), (126, 2208490), (140, 1987641), (180, 1545943), (210, 1325094), (252, 1104245), (269, 1034460), (315, 883396), (420, 662547), (538, 517230), (630, 441698), (807, 344820), (821, 338940), (1076, 258615), (1260, 220849), (1345, 206892), (1614, 172410), (1642, 169470), (1883, 147780), (2421, 114940), (2463, 112980), (2690, 103446), (3228, 86205), (3284, 84735), (3766, 73890), (4035, 68964), (4105, 67788), (4842, 57470), (4926, 56490), (5380, 51723), (5649, 49260), (5747, 48420), (7389, 37660), (7532, 36945), (8070, 34482), (8210, 33894), (9415, 29556), (9684, 28735), (9852, 28245), (11298, 24630), (11494, 24210), (12105, 22988), (12315, 22596), (14778, 18830), (16140, 17241), (16420, 16947)]