80289900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 261233280

約数和(自身を除く): 180943380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 131, 135, 150, 180, 225, 227, 262, 270, 300, 393, 450, 454, 524, 540, 655, 675, 681, 786, 900, 908, 1135, 1179, 1310, 1350, 1362, 1572, 1965, 2043, 2270, 2358, 2620, 2700, 2724, 3275, 3405, 3537, 3930, 4086, 4540, 4716, 5675, 5895, 6129, 6550, 6810, 7074, 7860, 8172, 9825, 10215, 11350, 11790, 12258, 13100, 13620, 14148, 17025, 17685, 19650, 20430, 22700, 23580, 24516, 29475, 29737, 30645, 34050, 35370, 39300, 40860, 51075, 58950, 59474, 61290, 68100, 70740, 88425, 89211, 102150, 117900, 118948, 122580, 148685, 153225, 176850, 178422, 204300, 267633, 297370, 306450, 353700, 356844, 446055, 535266, 594740, 612900, 743425, 802899, 892110, 1070532, 1338165, 1486850, 1605798, 1784220, 2230275, 2676330, 2973700, 3211596, 4014495, 4460550, 5352660, 6690825, 8028990, 8921100, 13381650, 16057980, 20072475, 26763300, 40144950, 80289900]

約数ペア:

[(1, 80289900), (2, 40144950), (3, 26763300), (4, 20072475), (5, 16057980), (6, 13381650), (9, 8921100), (10, 8028990), (12, 6690825), (15, 5352660), (18, 4460550), (20, 4014495), (25, 3211596), (27, 2973700), (30, 2676330), (36, 2230275), (45, 1784220), (50, 1605798), (54, 1486850), (60, 1338165), (75, 1070532), (90, 892110), (100, 802899), (108, 743425), (131, 612900), (135, 594740), (150, 535266), (180, 446055), (225, 356844), (227, 353700), (262, 306450), (270, 297370), (300, 267633), (393, 204300), (450, 178422), (454, 176850), (524, 153225), (540, 148685), (655, 122580), (675, 118948), (681, 117900), (786, 102150), (900, 89211), (908, 88425), (1135, 70740), (1179, 68100), (1310, 61290), (1350, 59474), (1362, 58950), (1572, 51075), (1965, 40860), (2043, 39300), (2270, 35370), (2358, 34050), (2620, 30645), (2700, 29737), (2724, 29475), (3275, 24516), (3405, 23580), (3537, 22700), (3930, 20430), (4086, 19650), (4540, 17685), (4716, 17025), (5675, 14148), (5895, 13620), (6129, 13100), (6550, 12258), (6810, 11790), (7074, 11350), (7860, 10215), (8172, 9825)]