257728980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{2683}}^1$

素因数の和:4296

約数の個数: 48

約数和(自身を含む): 722361024

約数和(自身を除く): 464632044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1601, 2683, 3202, 4803, 5366, 6404, 8005, 8049, 9606, 10732, 13415, 16010, 16098, 19212, 24015, 26830, 32020, 32196, 40245, 48030, 53660, 80490, 96060, 160980, 4295483, 8590966, 12886449, 17181932, 21477415, 25772898, 42954830, 51545796, 64432245, 85909660, 128864490, 257728980]

約数ペア:

[(1, 257728980), (2, 128864490), (3, 85909660), (4, 64432245), (5, 51545796), (6, 42954830), (10, 25772898), (12, 21477415), (15, 17181932), (20, 12886449), (30, 8590966), (60, 4295483), (1601, 160980), (2683, 96060), (3202, 80490), (4803, 53660), (5366, 48030), (6404, 40245), (8005, 32196), (8049, 32020), (9606, 26830), (10732, 24015), (13415, 19212), (16010, 16098)]