1620139080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{5827}}^1$

素因数の和:6179

約数の個数: 128

約数和(自身を含む): 5572500480

約数和(自身を除く): 3952361400

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, 331, 420, 662, 840, 993, 1324, 1655, 1986, 2317, 2648, 3310, 3972, 4634, 4965, 5827, 6620, 6951, 7944, 9268, 9930, 11585, 11654, 13240, 13902, 17481, 18536, 19860, 23170, 23308, 27804, 29135, 34755, 34962, 39720, 40789, 46340, 46616, 55608, 58270, 69510, 69924, 81578, 87405, 92680, 116540, 122367, 139020, 139848, 163156, 174810, 203945, 233080, 244734, 278040, 326312, 349620, 407890, 489468, 611835, 699240, 815780, 978936, 1223670, 1631560, 1928737, 2447340, 3857474, 4894680, 5786211, 7714948, 9643685, 11572422, 13501159, 15429896, 19287370, 23144844, 27002318, 28931055, 38574740, 40503477, 46289688, 54004636, 57862110, 67505795, 77149480, 81006954, 108009272, 115724220, 135011590, 162013908, 202517385, 231448440, 270023180, 324027816, 405034770, 540046360, 810069540, 1620139080]

約数ペア:

[(1, 1620139080), (2, 810069540), (3, 540046360), (4, 405034770), (5, 324027816), (6, 270023180), (7, 231448440), (8, 202517385), (10, 162013908), (12, 135011590), (14, 115724220), (15, 108009272), (20, 81006954), (21, 77149480), (24, 67505795), (28, 57862110), (30, 54004636), (35, 46289688), (40, 40503477), (42, 38574740), (56, 28931055), (60, 27002318), (70, 23144844), (84, 19287370), (105, 15429896), (120, 13501159), (140, 11572422), (168, 9643685), (210, 7714948), (280, 5786211), (331, 4894680), (420, 3857474), (662, 2447340), (840, 1928737), (993, 1631560), (1324, 1223670), (1655, 978936), (1986, 815780), (2317, 699240), (2648, 611835), (3310, 489468), (3972, 407890), (4634, 349620), (4965, 326312), (5827, 278040), (6620, 244734), (6951, 233080), (7944, 203945), (9268, 174810), (9930, 163156), (11585, 139848), (11654, 139020), (13240, 122367), (13902, 116540), (17481, 92680), (18536, 87405), (19860, 81578), (23170, 69924), (23308, 69510), (27804, 58270), (29135, 55608), (34755, 46616), (34962, 46340), (39720, 40789)]