311264520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16111}}^1$

素因数の和:16155

約数の個数: 128

約数和(自身を含む): 1113661440

約数和(自身を除く): 802396920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 16111, 19320, 32222, 48333, 64444, 80555, 96666, 112777, 128888, 161110, 193332, 225554, 241665, 322220, 338331, 370553, 386664, 451108, 483330, 563885, 644440, 676662, 741106, 902216, 966660, 1111659, 1127770, 1353324, 1482212, 1691655, 1852765, 1933320, 2223318, 2255540, 2593871, 2706648, 2964424, 3383310, 3705530, 4446636, 4511080, 5187742, 5558295, 6766620, 7411060, 7781613, 8893272, 10375484, 11116590, 12969355, 13533240, 14822120, 15563226, 20750968, 22233180, 25938710, 31126452, 38908065, 44466360, 51877420, 62252904, 77816130, 103754840, 155632260, 311264520]

約数ペア:

[(1, 311264520), (2, 155632260), (3, 103754840), (4, 77816130), (5, 62252904), (6, 51877420), (7, 44466360), (8, 38908065), (10, 31126452), (12, 25938710), (14, 22233180), (15, 20750968), (20, 15563226), (21, 14822120), (23, 13533240), (24, 12969355), (28, 11116590), (30, 10375484), (35, 8893272), (40, 7781613), (42, 7411060), (46, 6766620), (56, 5558295), (60, 5187742), (69, 4511080), (70, 4446636), (84, 3705530), (92, 3383310), (105, 2964424), (115, 2706648), (120, 2593871), (138, 2255540), (140, 2223318), (161, 1933320), (168, 1852765), (184, 1691655), (210, 1482212), (230, 1353324), (276, 1127770), (280, 1111659), (322, 966660), (345, 902216), (420, 741106), (460, 676662), (483, 644440), (552, 563885), (644, 483330), (690, 451108), (805, 386664), (840, 370553), (920, 338331), (966, 322220), (1288, 241665), (1380, 225554), (1610, 193332), (1932, 161110), (2415, 128888), (2760, 112777), (3220, 96666), (3864, 80555), (4830, 64444), (6440, 48333), (9660, 32222), (16111, 19320)]