720103950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{8123}}^1$

素因数の和:8338

約数の個数: 72

約数和(自身を含む): 1944739368

約数和(自身を除く): 1224635418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 197, 225, 394, 450, 591, 985, 1182, 1773, 1970, 2955, 3546, 4925, 5910, 8123, 8865, 9850, 14775, 16246, 17730, 24369, 29550, 40615, 44325, 48738, 73107, 81230, 88650, 121845, 146214, 203075, 243690, 365535, 406150, 609225, 731070, 1218450, 1600231, 1827675, 3200462, 3655350, 4800693, 8001155, 9601386, 14402079, 16002310, 24003465, 28804158, 40005775, 48006930, 72010395, 80011550, 120017325, 144020790, 240034650, 360051975, 720103950]

約数ペア:

[(1, 720103950), (2, 360051975), (3, 240034650), (5, 144020790), (6, 120017325), (9, 80011550), (10, 72010395), (15, 48006930), (18, 40005775), (25, 28804158), (30, 24003465), (45, 16002310), (50, 14402079), (75, 9601386), (90, 8001155), (150, 4800693), (197, 3655350), (225, 3200462), (394, 1827675), (450, 1600231), (591, 1218450), (985, 731070), (1182, 609225), (1773, 406150), (1970, 365535), (2955, 243690), (3546, 203075), (4925, 146214), (5910, 121845), (8123, 88650), (8865, 81230), (9850, 73107), (14775, 48738), (16246, 44325), (17730, 40615), (24369, 29550)]