245211240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2347

約数の個数: 128

約数和(自身を含む): 785894400

約数和(自身を除く): 540683160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1740, 1798, 1860, 2273, 2697, 3480, 3596, 3720, 4495, 4546, 5394, 6819, 7192, 8990, 9092, 10788, 11365, 13485, 13638, 17980, 18184, 21576, 22730, 26970, 27276, 34095, 35960, 45460, 53940, 54552, 65917, 68190, 70463, 90920, 107880, 131834, 136380, 140926, 197751, 211389, 263668, 272760, 281852, 329585, 352315, 395502, 422778, 527336, 563704, 659170, 704630, 791004, 845556, 988755, 1056945, 1318340, 1409260, 1582008, 1691112, 1977510, 2043427, 2113890, 2636680, 2818520, 3955020, 4086854, 4227780, 6130281, 7910040, 8173708, 8455560, 10217135, 12260562, 16347416, 20434270, 24521124, 30651405, 40868540, 49042248, 61302810, 81737080, 122605620, 245211240]

約数ペア:

[(1, 245211240), (2, 122605620), (3, 81737080), (4, 61302810), (5, 49042248), (6, 40868540), (8, 30651405), (10, 24521124), (12, 20434270), (15, 16347416), (20, 12260562), (24, 10217135), (29, 8455560), (30, 8173708), (31, 7910040), (40, 6130281), (58, 4227780), (60, 4086854), (62, 3955020), (87, 2818520), (93, 2636680), (116, 2113890), (120, 2043427), (124, 1977510), (145, 1691112), (155, 1582008), (174, 1409260), (186, 1318340), (232, 1056945), (248, 988755), (290, 845556), (310, 791004), (348, 704630), (372, 659170), (435, 563704), (465, 527336), (580, 422778), (620, 395502), (696, 352315), (744, 329585), (870, 281852), (899, 272760), (930, 263668), (1160, 211389), (1240, 197751), (1740, 140926), (1798, 136380), (1860, 131834), (2273, 107880), (2697, 90920), (3480, 70463), (3596, 68190), (3720, 65917), (4495, 54552), (4546, 53940), (5394, 45460), (6819, 35960), (7192, 34095), (8990, 27276), (9092, 26970), (10788, 22730), (11365, 21576), (13485, 18184), (13638, 17980)]