85744920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 274544640

約数和(自身を除く): 188799720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 661, 690, 705, 920, 940, 1081, 1128, 1322, 1380, 1410, 1880, 1983, 2162, 2644, 2760, 2820, 3243, 3305, 3966, 4324, 5288, 5405, 5640, 6486, 6610, 7932, 8648, 9915, 10810, 12972, 13220, 15203, 15864, 16215, 19830, 21620, 25944, 26440, 30406, 31067, 32430, 39660, 43240, 45609, 60812, 62134, 64860, 76015, 79320, 91218, 93201, 121624, 124268, 129720, 152030, 155335, 182436, 186402, 228045, 248536, 304060, 310670, 364872, 372804, 456090, 466005, 608120, 621340, 714541, 745608, 912180, 932010, 1242680, 1429082, 1824360, 1864020, 2143623, 2858164, 3572705, 3728040, 4287246, 5716328, 7145410, 8574492, 10718115, 14290820, 17148984, 21436230, 28581640, 42872460, 85744920]

約数ペア:

[(1, 85744920), (2, 42872460), (3, 28581640), (4, 21436230), (5, 17148984), (6, 14290820), (8, 10718115), (10, 8574492), (12, 7145410), (15, 5716328), (20, 4287246), (23, 3728040), (24, 3572705), (30, 2858164), (40, 2143623), (46, 1864020), (47, 1824360), (60, 1429082), (69, 1242680), (92, 932010), (94, 912180), (115, 745608), (120, 714541), (138, 621340), (141, 608120), (184, 466005), (188, 456090), (230, 372804), (235, 364872), (276, 310670), (282, 304060), (345, 248536), (376, 228045), (460, 186402), (470, 182436), (552, 155335), (564, 152030), (661, 129720), (690, 124268), (705, 121624), (920, 93201), (940, 91218), (1081, 79320), (1128, 76015), (1322, 64860), (1380, 62134), (1410, 60812), (1880, 45609), (1983, 43240), (2162, 39660), (2644, 32430), (2760, 31067), (2820, 30406), (3243, 26440), (3305, 25944), (3966, 21620), (4324, 19830), (5288, 16215), (5405, 15864), (5640, 15203), (6486, 13220), (6610, 12972), (7932, 10810), (8648, 9915)]