205697520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{40813}}^1$

素因数の和:40839

約数の個数: 120

約数和(自身を含む): 789506016

約数和(自身を除く): 583808496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 40813, 81626, 122439, 163252, 204065, 244878, 285691, 326504, 367317, 408130, 489756, 571382, 612195, 653008, 734634, 816260, 857073, 979512, 1142764, 1224390, 1428455, 1469268, 1632520, 1714146, 1836585, 1959024, 2285528, 2448780, 2571219, 2856910, 2938536, 3265040, 3428292, 3673170, 4285365, 4571056, 4897560, 5142438, 5713820, 5877072, 6856584, 7346340, 8570730, 9795120, 10284876, 11427640, 12856095, 13713168, 14692680, 17141460, 20569752, 22855280, 25712190, 29385360, 34282920, 41139504, 51424380, 68565840, 102848760, 205697520]

約数ペア:

[(1, 205697520), (2, 102848760), (3, 68565840), (4, 51424380), (5, 41139504), (6, 34282920), (7, 29385360), (8, 25712190), (9, 22855280), (10, 20569752), (12, 17141460), (14, 14692680), (15, 13713168), (16, 12856095), (18, 11427640), (20, 10284876), (21, 9795120), (24, 8570730), (28, 7346340), (30, 6856584), (35, 5877072), (36, 5713820), (40, 5142438), (42, 4897560), (45, 4571056), (48, 4285365), (56, 3673170), (60, 3428292), (63, 3265040), (70, 2938536), (72, 2856910), (80, 2571219), (84, 2448780), (90, 2285528), (105, 1959024), (112, 1836585), (120, 1714146), (126, 1632520), (140, 1469268), (144, 1428455), (168, 1224390), (180, 1142764), (210, 979512), (240, 857073), (252, 816260), (280, 734634), (315, 653008), (336, 612195), (360, 571382), (420, 489756), (504, 408130), (560, 367317), (630, 326504), (720, 285691), (840, 244878), (1008, 204065), (1260, 163252), (1680, 122439), (2520, 81626), (5040, 40813)]