2155560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 7464960

約数和(自身を除く): 5309400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 71, 88, 92, 110, 115, 120, 132, 138, 142, 165, 184, 213, 220, 230, 253, 264, 276, 284, 330, 345, 355, 426, 440, 460, 506, 552, 568, 660, 690, 710, 759, 781, 852, 920, 1012, 1065, 1265, 1320, 1380, 1420, 1518, 1562, 1633, 1704, 2024, 2130, 2343, 2530, 2760, 2840, 3036, 3124, 3266, 3795, 3905, 4260, 4686, 4899, 5060, 6072, 6248, 6532, 7590, 7810, 8165, 8520, 9372, 9798, 10120, 11715, 13064, 15180, 15620, 16330, 17963, 18744, 19596, 23430, 24495, 30360, 31240, 32660, 35926, 39192, 46860, 48990, 53889, 65320, 71852, 89815, 93720, 97980, 107778, 143704, 179630, 195960, 215556, 269445, 359260, 431112, 538890, 718520, 1077780, 2155560]

約数ペア:

[(1, 2155560), (2, 1077780), (3, 718520), (4, 538890), (5, 431112), (6, 359260), (8, 269445), (10, 215556), (11, 195960), (12, 179630), (15, 143704), (20, 107778), (22, 97980), (23, 93720), (24, 89815), (30, 71852), (33, 65320), (40, 53889), (44, 48990), (46, 46860), (55, 39192), (60, 35926), (66, 32660), (69, 31240), (71, 30360), (88, 24495), (92, 23430), (110, 19596), (115, 18744), (120, 17963), (132, 16330), (138, 15620), (142, 15180), (165, 13064), (184, 11715), (213, 10120), (220, 9798), (230, 9372), (253, 8520), (264, 8165), (276, 7810), (284, 7590), (330, 6532), (345, 6248), (355, 6072), (426, 5060), (440, 4899), (460, 4686), (506, 4260), (552, 3905), (568, 3795), (660, 3266), (690, 3124), (710, 3036), (759, 2840), (781, 2760), (852, 2530), (920, 2343), (1012, 2130), (1065, 2024), (1265, 1704), (1320, 1633), (1380, 1562), (1420, 1518)]