68539920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 228521088

約数和(自身を除く): 159981168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 107, 120, 136, 157, 170, 204, 214, 240, 255, 272, 314, 321, 340, 408, 428, 471, 510, 535, 628, 642, 680, 785, 816, 856, 942, 1020, 1070, 1256, 1284, 1360, 1570, 1605, 1712, 1819, 1884, 2040, 2140, 2355, 2512, 2568, 2669, 3140, 3210, 3638, 3768, 4080, 4280, 4710, 5136, 5338, 5457, 6280, 6420, 7276, 7536, 8007, 8560, 9095, 9420, 10676, 10914, 12560, 12840, 13345, 14552, 16014, 16799, 18190, 18840, 21352, 21828, 25680, 26690, 27285, 29104, 32028, 33598, 36380, 37680, 40035, 42704, 43656, 50397, 53380, 54570, 64056, 67196, 72760, 80070, 83995, 87312, 100794, 106760, 109140, 128112, 134392, 145520, 160140, 167990, 201588, 213520, 218280, 251985, 268784, 285583, 320280, 335980, 403176, 436560, 503970, 571166, 640560, 671960, 806352, 856749, 1007940, 1142332, 1343920, 1427915, 1713498, 2015880, 2284664, 2855830, 3426996, 4031760, 4283745, 4569328, 5711660, 6853992, 8567490, 11423320, 13707984, 17134980, 22846640, 34269960, 68539920]

約数ペア:

[(1, 68539920), (2, 34269960), (3, 22846640), (4, 17134980), (5, 13707984), (6, 11423320), (8, 8567490), (10, 6853992), (12, 5711660), (15, 4569328), (16, 4283745), (17, 4031760), (20, 3426996), (24, 2855830), (30, 2284664), (34, 2015880), (40, 1713498), (48, 1427915), (51, 1343920), (60, 1142332), (68, 1007940), (80, 856749), (85, 806352), (102, 671960), (107, 640560), (120, 571166), (136, 503970), (157, 436560), (170, 403176), (204, 335980), (214, 320280), (240, 285583), (255, 268784), (272, 251985), (314, 218280), (321, 213520), (340, 201588), (408, 167990), (428, 160140), (471, 145520), (510, 134392), (535, 128112), (628, 109140), (642, 106760), (680, 100794), (785, 87312), (816, 83995), (856, 80070), (942, 72760), (1020, 67196), (1070, 64056), (1256, 54570), (1284, 53380), (1360, 50397), (1570, 43656), (1605, 42704), (1712, 40035), (1819, 37680), (1884, 36380), (2040, 33598), (2140, 32028), (2355, 29104), (2512, 27285), (2568, 26690), (2669, 25680), (3140, 21828), (3210, 21352), (3638, 18840), (3768, 18190), (4080, 16799), (4280, 16014), (4710, 14552), (5136, 13345), (5338, 12840), (5457, 12560), (6280, 10914), (6420, 10676), (7276, 9420), (7536, 9095), (8007, 8560)]