20441971080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{310291}}^1$

素因数の和:310372

約数の個数: 128

約数和(自身を含む): 69257174400

約数和(自身を除く): 48815203320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 5490, 6588, 7320, 8235, 10980, 13176, 16470, 21960, 32940, 65880, 310291, 620582, 930873, 1241164, 1551455, 1861746, 2482328, 2792619, 3102910, 3723492, 4654365, 5585238, 6205820, 7446984, 8377857, 9308730, 11170476, 12411640, 13963095, 16755714, 18617460, 18927751, 22340952, 27926190, 33511428, 37234920, 37855502, 41889285, 55852380, 56783253, 67022856, 75711004, 83778570, 94638755, 111704760, 113566506, 151422008, 167557140, 170349759, 189277510, 227133012, 283916265, 335114280, 340699518, 378555020, 454266024, 511049277, 567832530, 681399036, 757110040, 851748795, 1022098554, 1135665060, 1362798072, 1703497590, 2044197108, 2271330120, 2555246385, 3406995180, 4088394216, 5110492770, 6813990360, 10220985540, 20441971080]

約数ペア:

[(1, 20441971080), (2, 10220985540), (3, 6813990360), (4, 5110492770), (5, 4088394216), (6, 3406995180), (8, 2555246385), (9, 2271330120), (10, 2044197108), (12, 1703497590), (15, 1362798072), (18, 1135665060), (20, 1022098554), (24, 851748795), (27, 757110040), (30, 681399036), (36, 567832530), (40, 511049277), (45, 454266024), (54, 378555020), (60, 340699518), (61, 335114280), (72, 283916265), (90, 227133012), (108, 189277510), (120, 170349759), (122, 167557140), (135, 151422008), (180, 113566506), (183, 111704760), (216, 94638755), (244, 83778570), (270, 75711004), (305, 67022856), (360, 56783253), (366, 55852380), (488, 41889285), (540, 37855502), (549, 37234920), (610, 33511428), (732, 27926190), (915, 22340952), (1080, 18927751), (1098, 18617460), (1220, 16755714), (1464, 13963095), (1647, 12411640), (1830, 11170476), (2196, 9308730), (2440, 8377857), (2745, 7446984), (3294, 6205820), (3660, 5585238), (4392, 4654365), (5490, 3723492), (6588, 3102910), (7320, 2792619), (8235, 2482328), (10980, 1861746), (13176, 1551455), (16470, 1241164), (21960, 930873), (32940, 620582), (65880, 310291)]