79215920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 228521088

約数和(自身を除く): 149305168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 80, 85, 106, 112, 119, 136, 140, 157, 170, 212, 238, 265, 272, 280, 314, 340, 371, 424, 476, 530, 560, 595, 628, 680, 742, 785, 848, 901, 952, 1060, 1099, 1190, 1256, 1360, 1484, 1570, 1802, 1855, 1904, 2120, 2198, 2380, 2512, 2669, 2968, 3140, 3604, 3710, 4240, 4396, 4505, 4760, 5338, 5495, 5936, 6280, 6307, 7208, 7420, 8321, 8792, 9010, 9520, 10676, 10990, 12560, 12614, 13345, 14416, 14840, 16642, 17584, 18020, 18683, 21352, 21980, 25228, 26690, 29680, 31535, 33284, 36040, 37366, 41605, 42704, 43960, 50456, 53380, 58247, 63070, 66568, 72080, 74732, 83210, 87920, 93415, 100912, 106760, 116494, 126140, 133136, 141457, 149464, 166420, 186830, 213520, 232988, 252280, 282914, 291235, 298928, 332840, 373660, 465976, 504560, 565828, 582470, 665680, 707285, 747320, 931952, 990199, 1131656, 1164940, 1414570, 1494640, 1980398, 2263312, 2329880, 2829140, 3960796, 4659760, 4950995, 5658280, 7921592, 9901990, 11316560, 15843184, 19803980, 39607960, 79215920]

約数ペア:

[(1, 79215920), (2, 39607960), (4, 19803980), (5, 15843184), (7, 11316560), (8, 9901990), (10, 7921592), (14, 5658280), (16, 4950995), (17, 4659760), (20, 3960796), (28, 2829140), (34, 2329880), (35, 2263312), (40, 1980398), (53, 1494640), (56, 1414570), (68, 1164940), (70, 1131656), (80, 990199), (85, 931952), (106, 747320), (112, 707285), (119, 665680), (136, 582470), (140, 565828), (157, 504560), (170, 465976), (212, 373660), (238, 332840), (265, 298928), (272, 291235), (280, 282914), (314, 252280), (340, 232988), (371, 213520), (424, 186830), (476, 166420), (530, 149464), (560, 141457), (595, 133136), (628, 126140), (680, 116494), (742, 106760), (785, 100912), (848, 93415), (901, 87920), (952, 83210), (1060, 74732), (1099, 72080), (1190, 66568), (1256, 63070), (1360, 58247), (1484, 53380), (1570, 50456), (1802, 43960), (1855, 42704), (1904, 41605), (2120, 37366), (2198, 36040), (2380, 33284), (2512, 31535), (2669, 29680), (2968, 26690), (3140, 25228), (3604, 21980), (3710, 21352), (4240, 18683), (4396, 18020), (4505, 17584), (4760, 16642), (5338, 14840), (5495, 14416), (5936, 13345), (6280, 12614), (6307, 12560), (7208, 10990), (7420, 10676), (8321, 9520), (8792, 9010)]