72947940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{93523}}^1$

素因数の和:93548

約数の個数: 48

約数和(自身を含む): 219968448

約数和(自身を除く): 147020508

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, 93523, 187046, 280569, 374092, 467615, 561138, 935230, 1122276, 1215799, 1402845, 1870460, 2431598, 2805690, 3647397, 4863196, 5611380, 6078995, 7294794, 12157990, 14589588, 18236985, 24315980, 36473970, 72947940]

約数ペア:

[(1, 72947940), (2, 36473970), (3, 24315980), (4, 18236985), (5, 14589588), (6, 12157990), (10, 7294794), (12, 6078995), (13, 5611380), (15, 4863196), (20, 3647397), (26, 2805690), (30, 2431598), (39, 1870460), (52, 1402845), (60, 1215799), (65, 1122276), (78, 935230), (130, 561138), (156, 467615), (195, 374092), (260, 280569), (390, 187046), (780, 93523)]