2890985220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1597}}^1$

素因数の和:1814

約数の個数: 144

約数和(自身を含む): 8951932080

約数和(自身を除く): 6060946860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 113, 178, 180, 226, 267, 339, 356, 445, 452, 534, 565, 678, 801, 890, 1017, 1068, 1130, 1335, 1356, 1597, 1602, 1695, 1780, 2034, 2260, 2670, 3194, 3204, 3390, 4005, 4068, 4791, 5085, 5340, 6388, 6780, 7985, 8010, 9582, 10057, 10170, 14373, 15970, 16020, 19164, 20114, 20340, 23955, 28746, 30171, 31940, 40228, 47910, 50285, 57492, 60342, 71865, 90513, 95820, 100570, 120684, 142133, 143730, 150855, 180461, 181026, 201140, 284266, 287460, 301710, 360922, 362052, 426399, 452565, 541383, 568532, 603420, 710665, 721844, 852798, 902305, 905130, 1082766, 1279197, 1421330, 1624149, 1705596, 1804610, 1810260, 2131995, 2165532, 2558394, 2706915, 2842660, 3248298, 3609220, 4263990, 5116788, 5413830, 6395985, 6496596, 8120745, 8527980, 10827660, 12791970, 16061029, 16241490, 25583940, 32122058, 32482980, 48183087, 64244116, 80305145, 96366174, 144549261, 160610290, 192732348, 240915435, 289098522, 321220580, 481830870, 578197044, 722746305, 963661740, 1445492610, 2890985220]

約数ペア:

[(1, 2890985220), (2, 1445492610), (3, 963661740), (4, 722746305), (5, 578197044), (6, 481830870), (9, 321220580), (10, 289098522), (12, 240915435), (15, 192732348), (18, 160610290), (20, 144549261), (30, 96366174), (36, 80305145), (45, 64244116), (60, 48183087), (89, 32482980), (90, 32122058), (113, 25583940), (178, 16241490), (180, 16061029), (226, 12791970), (267, 10827660), (339, 8527980), (356, 8120745), (445, 6496596), (452, 6395985), (534, 5413830), (565, 5116788), (678, 4263990), (801, 3609220), (890, 3248298), (1017, 2842660), (1068, 2706915), (1130, 2558394), (1335, 2165532), (1356, 2131995), (1597, 1810260), (1602, 1804610), (1695, 1705596), (1780, 1624149), (2034, 1421330), (2260, 1279197), (2670, 1082766), (3194, 905130), (3204, 902305), (3390, 852798), (4005, 721844), (4068, 710665), (4791, 603420), (5085, 568532), (5340, 541383), (6388, 452565), (6780, 426399), (7985, 362052), (8010, 360922), (9582, 301710), (10057, 287460), (10170, 284266), (14373, 201140), (15970, 181026), (16020, 180461), (19164, 150855), (20114, 143730), (20340, 142133), (23955, 120684), (28746, 100570), (30171, 95820), (31940, 90513), (40228, 71865), (47910, 60342), (50285, 57492)]