1561161240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2371}}^1$

素因数の和:2478

約数の個数: 192

約数和(自身を含む): 5328460800

約数和(自身を除く): 3767299560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 59, 60, 62, 72, 90, 93, 118, 120, 124, 155, 177, 180, 186, 236, 248, 279, 295, 310, 354, 360, 372, 465, 472, 531, 558, 590, 620, 708, 744, 885, 930, 1062, 1116, 1180, 1240, 1395, 1416, 1770, 1829, 1860, 2124, 2232, 2360, 2371, 2655, 2790, 3540, 3658, 3720, 4248, 4742, 5310, 5487, 5580, 7080, 7113, 7316, 9145, 9484, 10620, 10974, 11160, 11855, 14226, 14632, 16461, 18290, 18968, 21240, 21339, 21948, 23710, 27435, 28452, 32922, 35565, 36580, 42678, 43896, 47420, 54870, 56904, 65844, 71130, 73160, 73501, 82305, 85356, 94840, 106695, 109740, 131688, 139889, 142260, 147002, 164610, 170712, 213390, 219480, 220503, 279778, 284520, 294004, 329220, 367505, 419667, 426780, 441006, 559556, 588008, 658440, 661509, 699445, 735010, 839334, 853560, 882012, 1102515, 1119112, 1259001, 1323018, 1398890, 1470020, 1678668, 1764024, 2098335, 2205030, 2518002, 2646036, 2797780, 2940040, 3307545, 3357336, 4196670, 4336559, 4410060, 5036004, 5292072, 5595560, 6295005, 6615090, 8393340, 8673118, 8820120, 10072008, 12590010, 13009677, 13230180, 16786680, 17346236, 21682795, 25180020, 26019354, 26460360, 34692472, 39029031, 43365590, 50360040, 52038708, 65048385, 78058062, 86731180, 104077416, 130096770, 156116124, 173462360, 195145155, 260193540, 312232248, 390290310, 520387080, 780580620, 1561161240]

約数ペア:

[(1, 1561161240), (2, 780580620), (3, 520387080), (4, 390290310), (5, 312232248), (6, 260193540), (8, 195145155), (9, 173462360), (10, 156116124), (12, 130096770), (15, 104077416), (18, 86731180), (20, 78058062), (24, 65048385), (30, 52038708), (31, 50360040), (36, 43365590), (40, 39029031), (45, 34692472), (59, 26460360), (60, 26019354), (62, 25180020), (72, 21682795), (90, 17346236), (93, 16786680), (118, 13230180), (120, 13009677), (124, 12590010), (155, 10072008), (177, 8820120), (180, 8673118), (186, 8393340), (236, 6615090), (248, 6295005), (279, 5595560), (295, 5292072), (310, 5036004), (354, 4410060), (360, 4336559), (372, 4196670), (465, 3357336), (472, 3307545), (531, 2940040), (558, 2797780), (590, 2646036), (620, 2518002), (708, 2205030), (744, 2098335), (885, 1764024), (930, 1678668), (1062, 1470020), (1116, 1398890), (1180, 1323018), (1240, 1259001), (1395, 1119112), (1416, 1102515), (1770, 882012), (1829, 853560), (1860, 839334), (2124, 735010), (2232, 699445), (2360, 661509), (2371, 658440), (2655, 588008), (2790, 559556), (3540, 441006), (3658, 426780), (3720, 419667), (4248, 367505), (4742, 329220), (5310, 294004), (5487, 284520), (5580, 279778), (7080, 220503), (7113, 219480), (7316, 213390), (9145, 170712), (9484, 164610), (10620, 147002), (10974, 142260), (11160, 139889), (11855, 131688), (14226, 109740), (14632, 106695), (16461, 94840), (18290, 85356), (18968, 82305), (21240, 73501), (21339, 73160), (21948, 71130), (23710, 65844), (27435, 56904), (28452, 54870), (32922, 47420), (35565, 43896), (36580, 42678)]