1778319660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2279897}}^1$

素因数の和:2279922

約数の個数: 48

約数和(自身を含む): 5362320096

約数和(自身を除く): 3584000436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2279897, 4559794, 6839691, 9119588, 11399485, 13679382, 22798970, 27358764, 29638661, 34198455, 45597940, 59277322, 68396910, 88915983, 118554644, 136793820, 148193305, 177831966, 296386610, 355663932, 444579915, 592773220, 889159830, 1778319660]

約数ペア:

[(1, 1778319660), (2, 889159830), (3, 592773220), (4, 444579915), (5, 355663932), (6, 296386610), (10, 177831966), (12, 148193305), (13, 136793820), (15, 118554644), (20, 88915983), (26, 68396910), (30, 59277322), (39, 45597940), (52, 34198455), (60, 29638661), (65, 27358764), (78, 22798970), (130, 13679382), (156, 11399485), (195, 9119588), (260, 6839691), (390, 4559794), (780, 2279897)]