221219040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{65839}}^1$

素因数の和:65864

約数の個数: 96

約数和(自身を含む): 796400640

約数和(自身を除く): 575181600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 65839, 131678, 197517, 263356, 329195, 395034, 460873, 526712, 658390, 790068, 921746, 987585, 1053424, 1316780, 1382619, 1580136, 1843492, 1975170, 2106848, 2304365, 2633560, 2765238, 3160272, 3686984, 3950340, 4608730, 5267120, 5530476, 6320544, 6913095, 7373968, 7900680, 9217460, 10534240, 11060952, 13826190, 14747936, 15801360, 18434920, 22121904, 27652380, 31602720, 36869840, 44243808, 55304760, 73739680, 110609520, 221219040]

約数ペア:

[(1, 221219040), (2, 110609520), (3, 73739680), (4, 55304760), (5, 44243808), (6, 36869840), (7, 31602720), (8, 27652380), (10, 22121904), (12, 18434920), (14, 15801360), (15, 14747936), (16, 13826190), (20, 11060952), (21, 10534240), (24, 9217460), (28, 7900680), (30, 7373968), (32, 6913095), (35, 6320544), (40, 5530476), (42, 5267120), (48, 4608730), (56, 3950340), (60, 3686984), (70, 3160272), (80, 2765238), (84, 2633560), (96, 2304365), (105, 2106848), (112, 1975170), (120, 1843492), (140, 1580136), (160, 1382619), (168, 1316780), (210, 1053424), (224, 987585), (240, 921746), (280, 790068), (336, 658390), (420, 526712), (480, 460873), (560, 395034), (672, 329195), (840, 263356), (1120, 197517), (1680, 131678), (3360, 65839)]