69921990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3023}}^1$

素因数の和:3293

約数の個数: 48

約数和(自身を含む): 182564928

約数和(自身を除く): 112642938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1285, 1542, 2313, 2570, 3023, 3855, 4626, 6046, 7710, 9069, 11565, 15115, 18138, 23130, 27207, 30230, 45345, 54414, 90690, 136035, 272070, 776911, 1553822, 2330733, 3884555, 4661466, 6992199, 7769110, 11653665, 13984398, 23307330, 34960995, 69921990]

約数ペア:

[(1, 69921990), (2, 34960995), (3, 23307330), (5, 13984398), (6, 11653665), (9, 7769110), (10, 6992199), (15, 4661466), (18, 3884555), (30, 2330733), (45, 1553822), (90, 776911), (257, 272070), (514, 136035), (771, 90690), (1285, 54414), (1542, 45345), (2313, 30230), (2570, 27207), (3023, 23130), (3855, 18138), (4626, 15115), (6046, 11565), (7710, 9069)]