255070440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 192

約数和(自身を含む): 884520000

約数和(自身を除く): 629449560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 89, 90, 95, 114, 120, 152, 171, 178, 180, 190, 228, 267, 285, 342, 356, 360, 380, 419, 445, 456, 534, 570, 684, 712, 760, 801, 838, 855, 890, 1068, 1140, 1257, 1335, 1368, 1602, 1676, 1691, 1710, 1780, 2095, 2136, 2280, 2514, 2670, 3204, 3352, 3382, 3420, 3560, 3771, 4005, 4190, 5028, 5073, 5340, 6285, 6408, 6764, 6840, 7542, 7961, 8010, 8380, 8455, 10056, 10146, 10680, 12570, 13528, 15084, 15219, 15922, 16020, 16760, 16910, 18855, 20292, 23883, 25140, 25365, 30168, 30438, 31844, 32040, 33820, 37291, 37710, 39805, 40584, 47766, 50280, 50730, 60876, 63688, 67640, 71649, 74582, 75420, 76095, 79610, 95532, 101460, 111873, 119415, 121752, 143298, 149164, 150840, 152190, 159220, 186455, 191064, 202920, 223746, 238830, 286596, 298328, 304380, 318440, 335619, 358245, 372910, 447492, 477660, 559365, 573192, 608760, 671238, 708529, 716490, 745820, 894984, 955320, 1118730, 1342476, 1417058, 1432980, 1491640, 1678095, 2125587, 2237460, 2684952, 2834116, 2865960, 3356190, 3542645, 4251174, 4474920, 5668232, 6376761, 6712380, 7085290, 8502348, 10627935, 12753522, 13424760, 14170580, 17004696, 21255870, 25507044, 28341160, 31883805, 42511740, 51014088, 63767610, 85023480, 127535220, 255070440]

約数ペア:

[(1, 255070440), (2, 127535220), (3, 85023480), (4, 63767610), (5, 51014088), (6, 42511740), (8, 31883805), (9, 28341160), (10, 25507044), (12, 21255870), (15, 17004696), (18, 14170580), (19, 13424760), (20, 12753522), (24, 10627935), (30, 8502348), (36, 7085290), (38, 6712380), (40, 6376761), (45, 5668232), (57, 4474920), (60, 4251174), (72, 3542645), (76, 3356190), (89, 2865960), (90, 2834116), (95, 2684952), (114, 2237460), (120, 2125587), (152, 1678095), (171, 1491640), (178, 1432980), (180, 1417058), (190, 1342476), (228, 1118730), (267, 955320), (285, 894984), (342, 745820), (356, 716490), (360, 708529), (380, 671238), (419, 608760), (445, 573192), (456, 559365), (534, 477660), (570, 447492), (684, 372910), (712, 358245), (760, 335619), (801, 318440), (838, 304380), (855, 298328), (890, 286596), (1068, 238830), (1140, 223746), (1257, 202920), (1335, 191064), (1368, 186455), (1602, 159220), (1676, 152190), (1691, 150840), (1710, 149164), (1780, 143298), (2095, 121752), (2136, 119415), (2280, 111873), (2514, 101460), (2670, 95532), (3204, 79610), (3352, 76095), (3382, 75420), (3420, 74582), (3560, 71649), (3771, 67640), (4005, 63688), (4190, 60876), (5028, 50730), (5073, 50280), (5340, 47766), (6285, 40584), (6408, 39805), (6764, 37710), (6840, 37291), (7542, 33820), (7961, 32040), (8010, 31844), (8380, 30438), (8455, 30168), (10056, 25365), (10146, 25140), (10680, 23883), (12570, 20292), (13528, 18855), (15084, 16910), (15219, 16760), (15922, 16020)]