728007840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{72223}}^1$

素因数の和:72251

約数の個数: 144

約数和(自身を含む): 2839269888

約数和(自身を除く): 2111262048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 72223, 144446, 216669, 288892, 361115, 433338, 505561, 577784, 650007, 722230, 866676, 1011122, 1083345, 1155568, 1300014, 1444460, 1516683, 1733352, 2022244, 2166690, 2311136, 2527805, 2600028, 2888920, 3033366, 3250035, 3466704, 4044488, 4333380, 4550049, 5055610, 5200056, 5777840, 6066732, 6500070, 6933408, 7583415, 8088976, 8666760, 9100098, 10111220, 10400112, 11555680, 12133464, 13000140, 15166830, 16177952, 17333520, 18200196, 20222440, 20800224, 22750245, 24266928, 26000280, 30333660, 34667040, 36400392, 40444880, 45500490, 48533856, 52000560, 60667320, 72800784, 80889760, 91000980, 104001120, 121334640, 145601568, 182001960, 242669280, 364003920, 728007840]

約数ペア:

[(1, 728007840), (2, 364003920), (3, 242669280), (4, 182001960), (5, 145601568), (6, 121334640), (7, 104001120), (8, 91000980), (9, 80889760), (10, 72800784), (12, 60667320), (14, 52000560), (15, 48533856), (16, 45500490), (18, 40444880), (20, 36400392), (21, 34667040), (24, 30333660), (28, 26000280), (30, 24266928), (32, 22750245), (35, 20800224), (36, 20222440), (40, 18200196), (42, 17333520), (45, 16177952), (48, 15166830), (56, 13000140), (60, 12133464), (63, 11555680), (70, 10400112), (72, 10111220), (80, 9100098), (84, 8666760), (90, 8088976), (96, 7583415), (105, 6933408), (112, 6500070), (120, 6066732), (126, 5777840), (140, 5200056), (144, 5055610), (160, 4550049), (168, 4333380), (180, 4044488), (210, 3466704), (224, 3250035), (240, 3033366), (252, 2888920), (280, 2600028), (288, 2527805), (315, 2311136), (336, 2166690), (360, 2022244), (420, 1733352), (480, 1516683), (504, 1444460), (560, 1300014), (630, 1155568), (672, 1083345), (720, 1011122), (840, 866676), (1008, 722230), (1120, 650007), (1260, 577784), (1440, 505561), (1680, 433338), (2016, 361115), (2520, 288892), (3360, 216669), (5040, 144446), (10080, 72223)]