311318880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4951}}^1$

素因数の和:5100

約数の個数: 96

約数和(自身を含む): 988339968

約数和(自身を除く): 677021088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4192, 4951, 5240, 6288, 7860, 9902, 10480, 12576, 14853, 15720, 19804, 20960, 24755, 29706, 31440, 39608, 49510, 59412, 62880, 74265, 79216, 99020, 118824, 148530, 158432, 198040, 237648, 297060, 396080, 475296, 594120, 648581, 792160, 1188240, 1297162, 1945743, 2376480, 2594324, 3242905, 3891486, 5188648, 6485810, 7782972, 9728715, 10377296, 12971620, 15565944, 19457430, 20754592, 25943240, 31131888, 38914860, 51886480, 62263776, 77829720, 103772960, 155659440, 311318880]

約数ペア:

[(1, 311318880), (2, 155659440), (3, 103772960), (4, 77829720), (5, 62263776), (6, 51886480), (8, 38914860), (10, 31131888), (12, 25943240), (15, 20754592), (16, 19457430), (20, 15565944), (24, 12971620), (30, 10377296), (32, 9728715), (40, 7782972), (48, 6485810), (60, 5188648), (80, 3891486), (96, 3242905), (120, 2594324), (131, 2376480), (160, 1945743), (240, 1297162), (262, 1188240), (393, 792160), (480, 648581), (524, 594120), (655, 475296), (786, 396080), (1048, 297060), (1310, 237648), (1572, 198040), (1965, 158432), (2096, 148530), (2620, 118824), (3144, 99020), (3930, 79216), (4192, 74265), (4951, 62880), (5240, 59412), (6288, 49510), (7860, 39608), (9902, 31440), (10480, 29706), (12576, 24755), (14853, 20960), (15720, 19804)]