68637520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 192951936

約数和(自身を除く): 124314416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 73, 80, 92, 112, 115, 140, 146, 161, 184, 230, 280, 292, 322, 365, 368, 460, 511, 560, 584, 644, 730, 805, 920, 1022, 1168, 1288, 1460, 1610, 1679, 1840, 2044, 2555, 2576, 2920, 3220, 3358, 4088, 5110, 5329, 5840, 6440, 6716, 8176, 8395, 10220, 10658, 11753, 12880, 13432, 16790, 20440, 21316, 23506, 26645, 26864, 33580, 37303, 40880, 42632, 47012, 53290, 58765, 67160, 74606, 85264, 94024, 106580, 117530, 122567, 134320, 149212, 186515, 188048, 213160, 235060, 245134, 298424, 373030, 426320, 470120, 490268, 596848, 612835, 746060, 857969, 940240, 980536, 1225670, 1492120, 1715938, 1961072, 2451340, 2984240, 3431876, 4289845, 4902680, 6863752, 8579690, 9805360, 13727504, 17159380, 34318760, 68637520]

約数ペア:

[(1, 68637520), (2, 34318760), (4, 17159380), (5, 13727504), (7, 9805360), (8, 8579690), (10, 6863752), (14, 4902680), (16, 4289845), (20, 3431876), (23, 2984240), (28, 2451340), (35, 1961072), (40, 1715938), (46, 1492120), (56, 1225670), (70, 980536), (73, 940240), (80, 857969), (92, 746060), (112, 612835), (115, 596848), (140, 490268), (146, 470120), (161, 426320), (184, 373030), (230, 298424), (280, 245134), (292, 235060), (322, 213160), (365, 188048), (368, 186515), (460, 149212), (511, 134320), (560, 122567), (584, 117530), (644, 106580), (730, 94024), (805, 85264), (920, 74606), (1022, 67160), (1168, 58765), (1288, 53290), (1460, 47012), (1610, 42632), (1679, 40880), (1840, 37303), (2044, 33580), (2555, 26864), (2576, 26645), (2920, 23506), (3220, 21316), (3358, 20440), (4088, 16790), (5110, 13432), (5329, 12880), (5840, 11753), (6440, 10658), (6716, 10220), (8176, 8395)]