263919720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 825552000

約数和(自身を除く): 561632280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 181, 232, 290, 348, 362, 419, 435, 543, 580, 696, 724, 838, 870, 905, 1086, 1160, 1257, 1448, 1676, 1740, 1810, 2095, 2172, 2514, 2715, 3352, 3480, 3620, 4190, 4344, 5028, 5249, 5430, 6285, 7240, 8380, 10056, 10498, 10860, 12151, 12570, 15747, 16760, 20996, 21720, 24302, 25140, 26245, 31494, 36453, 41992, 48604, 50280, 52490, 60755, 62988, 72906, 75839, 78735, 97208, 104980, 121510, 125976, 145812, 151678, 157470, 182265, 209960, 227517, 243020, 291624, 303356, 314940, 364530, 379195, 455034, 486040, 606712, 629880, 729060, 758390, 910068, 1137585, 1458120, 1516780, 1820136, 2199331, 2275170, 3033560, 4398662, 4550340, 6597993, 8797324, 9100680, 10996655, 13195986, 17594648, 21993310, 26391972, 32989965, 43986620, 52783944, 65979930, 87973240, 131959860, 263919720]

約数ペア:

[(1, 263919720), (2, 131959860), (3, 87973240), (4, 65979930), (5, 52783944), (6, 43986620), (8, 32989965), (10, 26391972), (12, 21993310), (15, 17594648), (20, 13195986), (24, 10996655), (29, 9100680), (30, 8797324), (40, 6597993), (58, 4550340), (60, 4398662), (87, 3033560), (116, 2275170), (120, 2199331), (145, 1820136), (174, 1516780), (181, 1458120), (232, 1137585), (290, 910068), (348, 758390), (362, 729060), (419, 629880), (435, 606712), (543, 486040), (580, 455034), (696, 379195), (724, 364530), (838, 314940), (870, 303356), (905, 291624), (1086, 243020), (1160, 227517), (1257, 209960), (1448, 182265), (1676, 157470), (1740, 151678), (1810, 145812), (2095, 125976), (2172, 121510), (2514, 104980), (2715, 97208), (3352, 78735), (3480, 75839), (3620, 72906), (4190, 62988), (4344, 60755), (5028, 52490), (5249, 50280), (5430, 48604), (6285, 41992), (7240, 36453), (8380, 31494), (10056, 26245), (10498, 25140), (10860, 24302), (12151, 21720), (12570, 20996), (15747, 16760)]