28553880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13997}}^1$

素因数の和:14028

約数の個数: 64

約数和(自身を含む): 90707040

約数和(自身を除く): 62153160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13997, 27994, 41991, 55988, 69985, 83982, 111976, 139970, 167964, 209955, 237949, 279940, 335928, 419910, 475898, 559880, 713847, 839820, 951796, 1189745, 1427694, 1679640, 1903592, 2379490, 2855388, 3569235, 4758980, 5710776, 7138470, 9517960, 14276940, 28553880]

約数ペア:

[(1, 28553880), (2, 14276940), (3, 9517960), (4, 7138470), (5, 5710776), (6, 4758980), (8, 3569235), (10, 2855388), (12, 2379490), (15, 1903592), (17, 1679640), (20, 1427694), (24, 1189745), (30, 951796), (34, 839820), (40, 713847), (51, 559880), (60, 475898), (68, 419910), (85, 335928), (102, 279940), (120, 237949), (136, 209955), (170, 167964), (204, 139970), (255, 111976), (340, 83982), (408, 69985), (510, 55988), (680, 41991), (1020, 27994), (2040, 13997)]