18267520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 48911040

約数和(自身を除く): 30643520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 73, 80, 85, 92, 115, 128, 136, 146, 160, 170, 184, 230, 272, 292, 320, 340, 365, 368, 391, 460, 544, 584, 640, 680, 730, 736, 782, 920, 1088, 1168, 1241, 1360, 1460, 1472, 1564, 1679, 1840, 1955, 2176, 2336, 2482, 2720, 2920, 2944, 3128, 3358, 3680, 3910, 4672, 4964, 5440, 5840, 6205, 6256, 6716, 7360, 7820, 8395, 9344, 9928, 10880, 11680, 12410, 12512, 13432, 14720, 15640, 16790, 19856, 23360, 24820, 25024, 26864, 28543, 31280, 33580, 39712, 46720, 49640, 50048, 53728, 57086, 62560, 67160, 79424, 99280, 107456, 114172, 125120, 134320, 142715, 158848, 198560, 214912, 228344, 250240, 268640, 285430, 397120, 456688, 537280, 570860, 794240, 913376, 1074560, 1141720, 1826752, 2283440, 3653504, 4566880, 9133760, 18267520]

約数ペア:

[(1, 18267520), (2, 9133760), (4, 4566880), (5, 3653504), (8, 2283440), (10, 1826752), (16, 1141720), (17, 1074560), (20, 913376), (23, 794240), (32, 570860), (34, 537280), (40, 456688), (46, 397120), (64, 285430), (68, 268640), (73, 250240), (80, 228344), (85, 214912), (92, 198560), (115, 158848), (128, 142715), (136, 134320), (146, 125120), (160, 114172), (170, 107456), (184, 99280), (230, 79424), (272, 67160), (292, 62560), (320, 57086), (340, 53728), (365, 50048), (368, 49640), (391, 46720), (460, 39712), (544, 33580), (584, 31280), (640, 28543), (680, 26864), (730, 25024), (736, 24820), (782, 23360), (920, 19856), (1088, 16790), (1168, 15640), (1241, 14720), (1360, 13432), (1460, 12512), (1472, 12410), (1564, 11680), (1679, 10880), (1840, 9928), (1955, 9344), (2176, 8395), (2336, 7820), (2482, 7360), (2720, 6716), (2920, 6256), (2944, 6205), (3128, 5840), (3358, 5440), (3680, 4964), (3910, 4672)]