198649680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19249}}^1$

素因数の和:19308

約数の個数: 80

約数和(自身を含む): 630168000

約数和(自身を除く): 431518320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 19249, 38498, 57747, 76996, 96245, 115494, 153992, 192490, 230988, 288735, 307984, 384980, 461976, 577470, 769960, 827707, 923952, 1154940, 1539920, 1655414, 2309880, 2483121, 3310828, 4138535, 4619760, 4966242, 6621656, 8277070, 9932484, 12415605, 13243312, 16554140, 19864968, 24831210, 33108280, 39729936, 49662420, 66216560, 99324840, 198649680]

約数ペア:

[(1, 198649680), (2, 99324840), (3, 66216560), (4, 49662420), (5, 39729936), (6, 33108280), (8, 24831210), (10, 19864968), (12, 16554140), (15, 13243312), (16, 12415605), (20, 9932484), (24, 8277070), (30, 6621656), (40, 4966242), (43, 4619760), (48, 4138535), (60, 3310828), (80, 2483121), (86, 2309880), (120, 1655414), (129, 1539920), (172, 1154940), (215, 923952), (240, 827707), (258, 769960), (344, 577470), (430, 461976), (516, 384980), (645, 307984), (688, 288735), (860, 230988), (1032, 192490), (1290, 153992), (1720, 115494), (2064, 96245), (2580, 76996), (3440, 57747), (5160, 38498), (10320, 19249)]