1817997660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 5610215520

約数和(自身を除く): 3792217860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 283, 356, 401, 445, 534, 566, 801, 802, 849, 890, 1068, 1132, 1203, 1335, 1415, 1602, 1604, 1698, 1780, 2005, 2406, 2547, 2670, 2830, 3204, 3396, 3609, 4005, 4010, 4245, 4812, 5094, 5340, 5660, 6015, 7218, 8010, 8020, 8490, 10188, 12030, 12735, 14436, 16020, 16980, 18045, 24060, 25187, 25470, 35689, 36090, 50374, 50940, 71378, 72180, 75561, 100748, 107067, 113483, 125935, 142756, 151122, 178445, 214134, 226683, 226966, 251870, 302244, 321201, 340449, 356890, 377805, 428268, 453366, 453932, 503740, 535335, 567415, 642402, 680898, 713780, 755610, 906732, 1021347, 1070670, 1133415, 1134830, 1284804, 1361796, 1511220, 1606005, 1702245, 2042694, 2141340, 2266830, 2269660, 3212010, 3404490, 4085388, 4533660, 5106735, 6424020, 6808980, 10099987, 10213470, 20199974, 20426940, 30299961, 40399948, 50499935, 60599922, 90899883, 100999870, 121199844, 151499805, 181799766, 201999740, 302999610, 363599532, 454499415, 605999220, 908998830, 1817997660]

約数ペア:

[(1, 1817997660), (2, 908998830), (3, 605999220), (4, 454499415), (5, 363599532), (6, 302999610), (9, 201999740), (10, 181799766), (12, 151499805), (15, 121199844), (18, 100999870), (20, 90899883), (30, 60599922), (36, 50499935), (45, 40399948), (60, 30299961), (89, 20426940), (90, 20199974), (178, 10213470), (180, 10099987), (267, 6808980), (283, 6424020), (356, 5106735), (401, 4533660), (445, 4085388), (534, 3404490), (566, 3212010), (801, 2269660), (802, 2266830), (849, 2141340), (890, 2042694), (1068, 1702245), (1132, 1606005), (1203, 1511220), (1335, 1361796), (1415, 1284804), (1602, 1134830), (1604, 1133415), (1698, 1070670), (1780, 1021347), (2005, 906732), (2406, 755610), (2547, 713780), (2670, 680898), (2830, 642402), (3204, 567415), (3396, 535335), (3609, 503740), (4005, 453932), (4010, 453366), (4245, 428268), (4812, 377805), (5094, 356890), (5340, 340449), (5660, 321201), (6015, 302244), (7218, 251870), (8010, 226966), (8020, 226683), (8490, 214134), (10188, 178445), (12030, 151122), (12735, 142756), (14436, 125935), (16020, 113483), (16980, 107067), (18045, 100748), (24060, 75561), (25187, 72180), (25470, 71378), (35689, 50940), (36090, 50374)]