72321990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{185441}}^1$

素因数の和:185464

約数の個数: 32

約数和(自身を含む): 186925536

約数和(自身を除く): 114603546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 185441, 370882, 556323, 927205, 1112646, 1854410, 2410733, 2781615, 4821466, 5563230, 7232199, 12053665, 14464398, 24107330, 36160995, 72321990]

約数ペア:

[(1, 72321990), (2, 36160995), (3, 24107330), (5, 14464398), (6, 12053665), (10, 7232199), (13, 5563230), (15, 4821466), (26, 2781615), (30, 2410733), (39, 1854410), (65, 1112646), (78, 927205), (130, 556323), (195, 370882), (390, 185441)]