398976480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{39581}}^1$

素因数の和:39609

約数の個数: 144

約数和(自身を含む): 1556047584

約数和(自身を除く): 1157071104

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, 39581, 79162, 118743, 158324, 197905, 237486, 277067, 316648, 356229, 395810, 474972, 554134, 593715, 633296, 712458, 791620, 831201, 949944, 1108268, 1187430, 1266592, 1385335, 1424916, 1583240, 1662402, 1781145, 1899888, 2216536, 2374860, 2493603, 2770670, 2849832, 3166480, 3324804, 3562290, 3799776, 4156005, 4433072, 4749720, 4987206, 5541340, 5699664, 6332960, 6649608, 7124580, 8312010, 8866144, 9499440, 9974412, 11082680, 11399328, 12468015, 13299216, 14249160, 16624020, 18998880, 19948824, 22165360, 24936030, 26598432, 28498320, 33248040, 39897648, 44330720, 49872060, 56996640, 66496080, 79795296, 99744120, 132992160, 199488240, 398976480]

約数ペア:

[(1, 398976480), (2, 199488240), (3, 132992160), (4, 99744120), (5, 79795296), (6, 66496080), (7, 56996640), (8, 49872060), (9, 44330720), (10, 39897648), (12, 33248040), (14, 28498320), (15, 26598432), (16, 24936030), (18, 22165360), (20, 19948824), (21, 18998880), (24, 16624020), (28, 14249160), (30, 13299216), (32, 12468015), (35, 11399328), (36, 11082680), (40, 9974412), (42, 9499440), (45, 8866144), (48, 8312010), (56, 7124580), (60, 6649608), (63, 6332960), (70, 5699664), (72, 5541340), (80, 4987206), (84, 4749720), (90, 4433072), (96, 4156005), (105, 3799776), (112, 3562290), (120, 3324804), (126, 3166480), (140, 2849832), (144, 2770670), (160, 2493603), (168, 2374860), (180, 2216536), (210, 1899888), (224, 1781145), (240, 1662402), (252, 1583240), (280, 1424916), (288, 1385335), (315, 1266592), (336, 1187430), (360, 1108268), (420, 949944), (480, 831201), (504, 791620), (560, 712458), (630, 633296), (672, 593715), (720, 554134), (840, 474972), (1008, 395810), (1120, 356229), (1260, 316648), (1440, 277067), (1680, 237486), (2016, 197905), (2520, 158324), (3360, 118743), (5040, 79162), (10080, 39581)]