127535220

素因数分解:

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

素因数の和:542

約数の個数: 144

約数和(自身を含む): 412776000

約数和(自身を除く): 285240780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 89, 90, 95, 114, 171, 178, 180, 190, 228, 267, 285, 342, 356, 380, 419, 445, 534, 570, 684, 801, 838, 855, 890, 1068, 1140, 1257, 1335, 1602, 1676, 1691, 1710, 1780, 2095, 2514, 2670, 3204, 3382, 3420, 3771, 4005, 4190, 5028, 5073, 5340, 6285, 6764, 7542, 7961, 8010, 8380, 8455, 10146, 12570, 15084, 15219, 15922, 16020, 16910, 18855, 20292, 23883, 25140, 25365, 30438, 31844, 33820, 37291, 37710, 39805, 47766, 50730, 60876, 71649, 74582, 75420, 76095, 79610, 95532, 101460, 111873, 119415, 143298, 149164, 152190, 159220, 186455, 223746, 238830, 286596, 304380, 335619, 358245, 372910, 447492, 477660, 559365, 671238, 708529, 716490, 745820, 1118730, 1342476, 1417058, 1432980, 1678095, 2125587, 2237460, 2834116, 3356190, 3542645, 4251174, 6376761, 6712380, 7085290, 8502348, 10627935, 12753522, 14170580, 21255870, 25507044, 31883805, 42511740, 63767610, 127535220]

約数ペア:

[(1, 127535220), (2, 63767610), (3, 42511740), (4, 31883805), (5, 25507044), (6, 21255870), (9, 14170580), (10, 12753522), (12, 10627935), (15, 8502348), (18, 7085290), (19, 6712380), (20, 6376761), (30, 4251174), (36, 3542645), (38, 3356190), (45, 2834116), (57, 2237460), (60, 2125587), (76, 1678095), (89, 1432980), (90, 1417058), (95, 1342476), (114, 1118730), (171, 745820), (178, 716490), (180, 708529), (190, 671238), (228, 559365), (267, 477660), (285, 447492), (342, 372910), (356, 358245), (380, 335619), (419, 304380), (445, 286596), (534, 238830), (570, 223746), (684, 186455), (801, 159220), (838, 152190), (855, 149164), (890, 143298), (1068, 119415), (1140, 111873), (1257, 101460), (1335, 95532), (1602, 79610), (1676, 76095), (1691, 75420), (1710, 74582), (1780, 71649), (2095, 60876), (2514, 50730), (2670, 47766), (3204, 39805), (3382, 37710), (3420, 37291), (3771, 33820), (4005, 31844), (4190, 30438), (5028, 25365), (5073, 25140), (5340, 23883), (6285, 20292), (6764, 18855), (7542, 16910), (7961, 16020), (8010, 15922), (8380, 15219), (8455, 15084), (10146, 12570)]