72431970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{185723}}^1$

素因数の和:185746

約数の個数: 32

約数和(自身を含む): 187209792

約数和(自身を除く): 114777822

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 185723, 371446, 557169, 928615, 1114338, 1857230, 2414399, 2785845, 4828798, 5571690, 7243197, 12071995, 14486394, 24143990, 36215985, 72431970]

約数ペア:

[(1, 72431970), (2, 36215985), (3, 24143990), (5, 14486394), (6, 12071995), (10, 7243197), (13, 5571690), (15, 4828798), (26, 2785845), (30, 2414399), (39, 1857230), (65, 1114338), (78, 928615), (130, 557169), (195, 371446), (390, 185723)]