21991656720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{953}}^1\times {\mathrm{8741}}^1$

素因数の和:9721

約数の個数: 160

約数和(自身を含む): 74458341504

約数和(自身を除く): 52466684784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 953, 1320, 1906, 2640, 2859, 3812, 4765, 5718, 7624, 8741, 9530, 10483, 11436, 14295, 15248, 17482, 19060, 20966, 22872, 26223, 28590, 31449, 34964, 38120, 41932, 43705, 45744, 52415, 52446, 57180, 62898, 69928, 76240, 83864, 87410, 96151, 104830, 104892, 114360, 125796, 131115, 139856, 157245, 167728, 174820, 192302, 209660, 209784, 228720, 251592, 262230, 288453, 314490, 349640, 384604, 419320, 419568, 480755, 503184, 524460, 576906, 628980, 699280, 769208, 838640, 961510, 1048920, 1153812, 1257960, 1442265, 1538416, 1923020, 2097840, 2307624, 2515920, 2884530, 3846040, 4615248, 5769060, 7692080, 8330173, 11538120, 16660346, 23076240, 24990519, 33320692, 41650865, 49981038, 66641384, 83301730, 91631903, 99962076, 124952595, 133282768, 166603460, 183263806, 199924152, 249905190, 274895709, 333206920, 366527612, 399848304, 458159515, 499810380, 549791418, 666413840, 733055224, 916319030, 999620760, 1099582836, 1374478545, 1466110448, 1832638060, 1999241520, 2199165672, 2748957090, 3665276120, 4398331344, 5497914180, 7330552240, 10995828360, 21991656720]

約数ペア:

[(1, 21991656720), (2, 10995828360), (3, 7330552240), (4, 5497914180), (5, 4398331344), (6, 3665276120), (8, 2748957090), (10, 2199165672), (11, 1999241520), (12, 1832638060), (15, 1466110448), (16, 1374478545), (20, 1099582836), (22, 999620760), (24, 916319030), (30, 733055224), (33, 666413840), (40, 549791418), (44, 499810380), (48, 458159515), (55, 399848304), (60, 366527612), (66, 333206920), (80, 274895709), (88, 249905190), (110, 199924152), (120, 183263806), (132, 166603460), (165, 133282768), (176, 124952595), (220, 99962076), (240, 91631903), (264, 83301730), (330, 66641384), (440, 49981038), (528, 41650865), (660, 33320692), (880, 24990519), (953, 23076240), (1320, 16660346), (1906, 11538120), (2640, 8330173), (2859, 7692080), (3812, 5769060), (4765, 4615248), (5718, 3846040), (7624, 2884530), (8741, 2515920), (9530, 2307624), (10483, 2097840), (11436, 1923020), (14295, 1538416), (15248, 1442265), (17482, 1257960), (19060, 1153812), (20966, 1048920), (22872, 961510), (26223, 838640), (28590, 769208), (31449, 699280), (34964, 628980), (38120, 576906), (41932, 524460), (43705, 503184), (45744, 480755), (52415, 419568), (52446, 419320), (57180, 384604), (62898, 349640), (69928, 314490), (76240, 288453), (83864, 262230), (87410, 251592), (96151, 228720), (104830, 209784), (104892, 209660), (114360, 192302), (125796, 174820), (131115, 167728), (139856, 157245)]