865432680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1361}}^1$

素因数の和:2139

約数の個数: 128

約数和(自身を含む): 2973300480

約数和(自身を除く): 2107867800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 757, 840, 1361, 1514, 2271, 2722, 3028, 3785, 4083, 4542, 5299, 5444, 6056, 6805, 7570, 8166, 9084, 9527, 10598, 10888, 11355, 13610, 15140, 15897, 16332, 18168, 19054, 20415, 21196, 22710, 26495, 27220, 28581, 30280, 31794, 32664, 38108, 40830, 42392, 45420, 47635, 52990, 54440, 57162, 63588, 76216, 79485, 81660, 90840, 95270, 105980, 114324, 127176, 142905, 158970, 163320, 190540, 211960, 228648, 285810, 317940, 381080, 571620, 635880, 1030277, 1143240, 2060554, 3090831, 4121108, 5151385, 6181662, 7211939, 8242216, 10302770, 12363324, 14423878, 15454155, 20605540, 21635817, 24726648, 28847756, 30908310, 36059695, 41211080, 43271634, 57695512, 61816620, 72119390, 86543268, 108179085, 123633240, 144238780, 173086536, 216358170, 288477560, 432716340, 865432680]

約数ペア:

[(1, 865432680), (2, 432716340), (3, 288477560), (4, 216358170), (5, 173086536), (6, 144238780), (7, 123633240), (8, 108179085), (10, 86543268), (12, 72119390), (14, 61816620), (15, 57695512), (20, 43271634), (21, 41211080), (24, 36059695), (28, 30908310), (30, 28847756), (35, 24726648), (40, 21635817), (42, 20605540), (56, 15454155), (60, 14423878), (70, 12363324), (84, 10302770), (105, 8242216), (120, 7211939), (140, 6181662), (168, 5151385), (210, 4121108), (280, 3090831), (420, 2060554), (757, 1143240), (840, 1030277), (1361, 635880), (1514, 571620), (2271, 381080), (2722, 317940), (3028, 285810), (3785, 228648), (4083, 211960), (4542, 190540), (5299, 163320), (5444, 158970), (6056, 142905), (6805, 127176), (7570, 114324), (8166, 105980), (9084, 95270), (9527, 90840), (10598, 81660), (10888, 79485), (11355, 76216), (13610, 63588), (15140, 57162), (15897, 54440), (16332, 52990), (18168, 47635), (19054, 45420), (20415, 42392), (21196, 40830), (22710, 38108), (26495, 32664), (27220, 31794), (28581, 30280)]