72781500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 144

約数和(自身を含む): 233539488

約数和(自身を除く): 160757988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 121, 125, 132, 150, 165, 220, 242, 250, 275, 300, 330, 363, 375, 401, 484, 500, 550, 605, 660, 726, 750, 802, 825, 1100, 1203, 1210, 1375, 1452, 1500, 1604, 1650, 1815, 2005, 2406, 2420, 2750, 3025, 3300, 3630, 4010, 4125, 4411, 4812, 5500, 6015, 6050, 7260, 8020, 8250, 8822, 9075, 10025, 12030, 12100, 13233, 15125, 16500, 17644, 18150, 20050, 22055, 24060, 26466, 30075, 30250, 36300, 40100, 44110, 45375, 48521, 50125, 52932, 60150, 60500, 66165, 88220, 90750, 97042, 100250, 110275, 120300, 132330, 145563, 150375, 181500, 194084, 200500, 220550, 242605, 264660, 291126, 300750, 330825, 441100, 485210, 551375, 582252, 601500, 661650, 727815, 970420, 1102750, 1213025, 1323300, 1455630, 1654125, 2205500, 2426050, 2911260, 3308250, 3639075, 4852100, 6065125, 6616500, 7278150, 12130250, 14556300, 18195375, 24260500, 36390750, 72781500]

約数ペア:

[(1, 72781500), (2, 36390750), (3, 24260500), (4, 18195375), (5, 14556300), (6, 12130250), (10, 7278150), (11, 6616500), (12, 6065125), (15, 4852100), (20, 3639075), (22, 3308250), (25, 2911260), (30, 2426050), (33, 2205500), (44, 1654125), (50, 1455630), (55, 1323300), (60, 1213025), (66, 1102750), (75, 970420), (100, 727815), (110, 661650), (121, 601500), (125, 582252), (132, 551375), (150, 485210), (165, 441100), (220, 330825), (242, 300750), (250, 291126), (275, 264660), (300, 242605), (330, 220550), (363, 200500), (375, 194084), (401, 181500), (484, 150375), (500, 145563), (550, 132330), (605, 120300), (660, 110275), (726, 100250), (750, 97042), (802, 90750), (825, 88220), (1100, 66165), (1203, 60500), (1210, 60150), (1375, 52932), (1452, 50125), (1500, 48521), (1604, 45375), (1650, 44110), (1815, 40100), (2005, 36300), (2406, 30250), (2420, 30075), (2750, 26466), (3025, 24060), (3300, 22055), (3630, 20050), (4010, 18150), (4125, 17644), (4411, 16500), (4812, 15125), (5500, 13233), (6015, 12100), (6050, 12030), (7260, 10025), (8020, 9075), (8250, 8822)]