23219840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 65214720

約数和(自身を除く): 41994880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 73, 80, 112, 128, 140, 142, 146, 160, 224, 280, 284, 292, 320, 355, 365, 448, 497, 511, 560, 568, 584, 640, 710, 730, 896, 994, 1022, 1120, 1136, 1168, 1420, 1460, 1988, 2044, 2240, 2272, 2336, 2485, 2555, 2840, 2920, 3976, 4088, 4480, 4544, 4672, 4970, 5110, 5183, 5680, 5840, 7952, 8176, 9088, 9344, 9940, 10220, 10366, 11360, 11680, 15904, 16352, 19880, 20440, 20732, 22720, 23360, 25915, 31808, 32704, 36281, 39760, 40880, 41464, 45440, 46720, 51830, 63616, 65408, 72562, 79520, 81760, 82928, 103660, 145124, 159040, 163520, 165856, 181405, 207320, 290248, 318080, 327040, 331712, 362810, 414640, 580496, 663424, 725620, 829280, 1160992, 1451240, 1658560, 2321984, 2902480, 3317120, 4643968, 5804960, 11609920, 23219840]

約数ペア:

[(1, 23219840), (2, 11609920), (4, 5804960), (5, 4643968), (7, 3317120), (8, 2902480), (10, 2321984), (14, 1658560), (16, 1451240), (20, 1160992), (28, 829280), (32, 725620), (35, 663424), (40, 580496), (56, 414640), (64, 362810), (70, 331712), (71, 327040), (73, 318080), (80, 290248), (112, 207320), (128, 181405), (140, 165856), (142, 163520), (146, 159040), (160, 145124), (224, 103660), (280, 82928), (284, 81760), (292, 79520), (320, 72562), (355, 65408), (365, 63616), (448, 51830), (497, 46720), (511, 45440), (560, 41464), (568, 40880), (584, 39760), (640, 36281), (710, 32704), (730, 31808), (896, 25915), (994, 23360), (1022, 22720), (1120, 20732), (1136, 20440), (1168, 19880), (1420, 16352), (1460, 15904), (1988, 11680), (2044, 11360), (2240, 10366), (2272, 10220), (2336, 9940), (2485, 9344), (2555, 9088), (2840, 8176), (2920, 7952), (3976, 5840), (4088, 5680), (4480, 5183), (4544, 5110), (4672, 4970)]