188489520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{261791}}^1$

素因数の和:261810

約数の個数: 60

約数和(自身を含む): 633013056

約数和(自身を除く): 444523536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 261791, 523582, 785373, 1047164, 1308955, 1570746, 2094328, 2356119, 2617910, 3141492, 3926865, 4188656, 4712238, 5235820, 6282984, 7853730, 9424476, 10471640, 11780595, 12565968, 15707460, 18848952, 20943280, 23561190, 31414920, 37697904, 47122380, 62829840, 94244760, 188489520]

約数ペア:

[(1, 188489520), (2, 94244760), (3, 62829840), (4, 47122380), (5, 37697904), (6, 31414920), (8, 23561190), (9, 20943280), (10, 18848952), (12, 15707460), (15, 12565968), (16, 11780595), (18, 10471640), (20, 9424476), (24, 7853730), (30, 6282984), (36, 5235820), (40, 4712238), (45, 4188656), (48, 3926865), (60, 3141492), (72, 2617910), (80, 2356119), (90, 2094328), (120, 1570746), (144, 1308955), (180, 1047164), (240, 785373), (360, 523582), (720, 261791)]