180288375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{20903}}^1$

素因数の和:20944

約数の個数: 32

約数和(自身を含む): 313058304

約数和(自身を除く): 132769929

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2875, 8625, 20903, 62709, 104515, 313545, 480769, 522575, 1442307, 1567725, 2403845, 2612875, 7211535, 7838625, 12019225, 36057675, 60096125, 180288375]

約数ペア:

[(1, 180288375), (3, 60096125), (5, 36057675), (15, 12019225), (23, 7838625), (25, 7211535), (69, 2612875), (75, 2403845), (115, 1567725), (125, 1442307), (345, 522575), (375, 480769), (575, 313545), (1725, 104515), (2875, 62709), (8625, 20903)]