774321720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1277}}^1$

素因数の和:1485

約数の個数: 128

約数和(自身を含む): 2414499840

約数和(自身を除く): 1640178120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 163, 186, 248, 310, 326, 372, 465, 489, 620, 652, 744, 815, 930, 978, 1240, 1277, 1304, 1630, 1860, 1956, 2445, 2554, 3260, 3720, 3831, 3912, 4890, 5053, 5108, 6385, 6520, 7662, 9780, 10106, 10216, 12770, 15159, 15324, 19155, 19560, 20212, 25265, 25540, 30318, 30648, 38310, 39587, 40424, 50530, 51080, 60636, 75795, 76620, 79174, 101060, 118761, 121272, 151590, 153240, 158348, 197935, 202120, 208151, 237522, 303180, 316696, 395870, 416302, 475044, 593805, 606360, 624453, 791740, 832604, 950088, 1040755, 1187610, 1248906, 1583480, 1665208, 2081510, 2375220, 2497812, 3122265, 4163020, 4750440, 4995624, 6244530, 6452681, 8326040, 12489060, 12905362, 19358043, 24978120, 25810724, 32263405, 38716086, 51621448, 64526810, 77432172, 96790215, 129053620, 154864344, 193580430, 258107240, 387160860, 774321720]

約数ペア:

[(1, 774321720), (2, 387160860), (3, 258107240), (4, 193580430), (5, 154864344), (6, 129053620), (8, 96790215), (10, 77432172), (12, 64526810), (15, 51621448), (20, 38716086), (24, 32263405), (30, 25810724), (31, 24978120), (40, 19358043), (60, 12905362), (62, 12489060), (93, 8326040), (120, 6452681), (124, 6244530), (155, 4995624), (163, 4750440), (186, 4163020), (248, 3122265), (310, 2497812), (326, 2375220), (372, 2081510), (465, 1665208), (489, 1583480), (620, 1248906), (652, 1187610), (744, 1040755), (815, 950088), (930, 832604), (978, 791740), (1240, 624453), (1277, 606360), (1304, 593805), (1630, 475044), (1860, 416302), (1956, 395870), (2445, 316696), (2554, 303180), (3260, 237522), (3720, 208151), (3831, 202120), (3912, 197935), (4890, 158348), (5053, 153240), (5108, 151590), (6385, 121272), (6520, 118761), (7662, 101060), (9780, 79174), (10106, 76620), (10216, 75795), (12770, 60636), (15159, 51080), (15324, 50530), (19155, 40424), (19560, 39587), (20212, 38310), (25265, 30648), (25540, 30318)]