128977020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 404520480

約数和(自身を除く): 275543460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 89, 90, 97, 166, 178, 180, 194, 249, 267, 291, 332, 356, 388, 415, 445, 485, 498, 534, 582, 747, 801, 830, 873, 890, 970, 996, 1068, 1164, 1245, 1335, 1455, 1494, 1602, 1660, 1746, 1780, 1940, 2490, 2670, 2910, 2988, 3204, 3492, 3735, 4005, 4365, 4980, 5340, 5820, 7387, 7470, 8010, 8051, 8633, 8730, 14774, 14940, 16020, 16102, 17266, 17460, 22161, 24153, 25899, 29548, 32204, 34532, 36935, 40255, 43165, 44322, 48306, 51798, 66483, 72459, 73870, 77697, 80510, 86330, 88644, 96612, 103596, 110805, 120765, 129495, 132966, 144918, 147740, 155394, 161020, 172660, 221610, 241530, 258990, 265932, 289836, 310788, 332415, 362295, 388485, 443220, 483060, 517980, 664830, 716539, 724590, 776970, 1329660, 1433078, 1449180, 1553940, 2149617, 2866156, 3582695, 4299234, 6448851, 7165390, 8598468, 10748085, 12897702, 14330780, 21496170, 25795404, 32244255, 42992340, 64488510, 128977020]

約数ペア:

[(1, 128977020), (2, 64488510), (3, 42992340), (4, 32244255), (5, 25795404), (6, 21496170), (9, 14330780), (10, 12897702), (12, 10748085), (15, 8598468), (18, 7165390), (20, 6448851), (30, 4299234), (36, 3582695), (45, 2866156), (60, 2149617), (83, 1553940), (89, 1449180), (90, 1433078), (97, 1329660), (166, 776970), (178, 724590), (180, 716539), (194, 664830), (249, 517980), (267, 483060), (291, 443220), (332, 388485), (356, 362295), (388, 332415), (415, 310788), (445, 289836), (485, 265932), (498, 258990), (534, 241530), (582, 221610), (747, 172660), (801, 161020), (830, 155394), (873, 147740), (890, 144918), (970, 132966), (996, 129495), (1068, 120765), (1164, 110805), (1245, 103596), (1335, 96612), (1455, 88644), (1494, 86330), (1602, 80510), (1660, 77697), (1746, 73870), (1780, 72459), (1940, 66483), (2490, 51798), (2670, 48306), (2910, 44322), (2988, 43165), (3204, 40255), (3492, 36935), (3735, 34532), (4005, 32204), (4365, 29548), (4980, 25899), (5340, 24153), (5820, 22161), (7387, 17460), (7470, 17266), (8010, 16102), (8051, 16020), (8633, 14940), (8730, 14774)]