137438460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2971}}^1$

素因数の和:3243

約数の個数: 72

約数和(自身を含む): 418659696

約数和(自身を除く): 281221236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 2971, 3084, 3855, 4626, 5140, 5942, 7710, 8913, 9252, 11565, 11884, 14855, 15420, 17826, 23130, 26739, 29710, 35652, 44565, 46260, 53478, 59420, 89130, 106956, 133695, 178260, 267390, 534780, 763547, 1527094, 2290641, 3054188, 3817735, 4581282, 6871923, 7635470, 9162564, 11453205, 13743846, 15270940, 22906410, 27487692, 34359615, 45812820, 68719230, 137438460]

約数ペア:

[(1, 137438460), (2, 68719230), (3, 45812820), (4, 34359615), (5, 27487692), (6, 22906410), (9, 15270940), (10, 13743846), (12, 11453205), (15, 9162564), (18, 7635470), (20, 6871923), (30, 4581282), (36, 3817735), (45, 3054188), (60, 2290641), (90, 1527094), (180, 763547), (257, 534780), (514, 267390), (771, 178260), (1028, 133695), (1285, 106956), (1542, 89130), (2313, 59420), (2570, 53478), (2971, 46260), (3084, 44565), (3855, 35652), (4626, 29710), (5140, 26739), (5942, 23130), (7710, 17826), (8913, 15420), (9252, 14855), (11565, 11884)]