399600180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3821}}^1$

素因数の和:3926

約数の個数: 144

約数和(自身を含む): 1402337664

約数和(自身を除く): 1002737484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2490, 2905, 2988, 3486, 3735, 3821, 4980, 5229, 5810, 6972, 7470, 7642, 8715, 10458, 11463, 11620, 14940, 15284, 17430, 19105, 20916, 22926, 26145, 26747, 34389, 34860, 38210, 45852, 52290, 53494, 57315, 68778, 76420, 80241, 104580, 106988, 114630, 133735, 137556, 160482, 171945, 229260, 240723, 267470, 317143, 320964, 343890, 401205, 481446, 534940, 634286, 687780, 802410, 951429, 962892, 1203615, 1268572, 1585715, 1604820, 1902858, 2220001, 2407230, 2854287, 3171430, 3805716, 4440002, 4757145, 4814460, 5708574, 6342860, 6660003, 8880004, 9514290, 11100005, 11417148, 13320006, 14271435, 19028580, 19980009, 22200010, 26640012, 28542870, 33300015, 39960018, 44400020, 57085740, 66600030, 79920036, 99900045, 133200060, 199800090, 399600180]

約数ペア:

[(1, 399600180), (2, 199800090), (3, 133200060), (4, 99900045), (5, 79920036), (6, 66600030), (7, 57085740), (9, 44400020), (10, 39960018), (12, 33300015), (14, 28542870), (15, 26640012), (18, 22200010), (20, 19980009), (21, 19028580), (28, 14271435), (30, 13320006), (35, 11417148), (36, 11100005), (42, 9514290), (45, 8880004), (60, 6660003), (63, 6342860), (70, 5708574), (83, 4814460), (84, 4757145), (90, 4440002), (105, 3805716), (126, 3171430), (140, 2854287), (166, 2407230), (180, 2220001), (210, 1902858), (249, 1604820), (252, 1585715), (315, 1268572), (332, 1203615), (415, 962892), (420, 951429), (498, 802410), (581, 687780), (630, 634286), (747, 534940), (830, 481446), (996, 401205), (1162, 343890), (1245, 320964), (1260, 317143), (1494, 267470), (1660, 240723), (1743, 229260), (2324, 171945), (2490, 160482), (2905, 137556), (2988, 133735), (3486, 114630), (3735, 106988), (3821, 104580), (4980, 80241), (5229, 76420), (5810, 68778), (6972, 57315), (7470, 53494), (7642, 52290), (8715, 45852), (10458, 38210), (11463, 34860), (11620, 34389), (14940, 26747), (15284, 26145), (17430, 22926), (19105, 20916)]