21067877760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353963}}^1$

素因数の和:354016

約数の個数: 128

約数和(自身を含む): 69320309760

約数和(自身を除く): 48252432000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 29760, 59520, 353963, 707926, 1061889, 1415852, 1769815, 2123778, 2831704, 3539630, 4247556, 5309445, 5663408, 7079260, 8495112, 10618890, 10972853, 11326816, 14158520, 16990224, 21237780, 21945706, 22653632, 28317040, 32918559, 33980448, 42475560, 43891412, 45307264, 54864265, 56634080, 65837118, 67960896, 84951120, 87782824, 109728530, 113268160, 131674236, 135921792, 164592795, 169902240, 175565648, 219457060, 226536320, 263348472, 329185590, 339804480, 351131296, 438914120, 526696944, 658371180, 679608960, 702262592, 877828240, 1053393888, 1316742360, 1404525184, 1755656480, 2106787776, 2633484720, 3511312960, 4213575552, 5266969440, 7022625920, 10533938880, 21067877760]

約数ペア:

[(1, 21067877760), (2, 10533938880), (3, 7022625920), (4, 5266969440), (5, 4213575552), (6, 3511312960), (8, 2633484720), (10, 2106787776), (12, 1755656480), (15, 1404525184), (16, 1316742360), (20, 1053393888), (24, 877828240), (30, 702262592), (31, 679608960), (32, 658371180), (40, 526696944), (48, 438914120), (60, 351131296), (62, 339804480), (64, 329185590), (80, 263348472), (93, 226536320), (96, 219457060), (120, 175565648), (124, 169902240), (128, 164592795), (155, 135921792), (160, 131674236), (186, 113268160), (192, 109728530), (240, 87782824), (248, 84951120), (310, 67960896), (320, 65837118), (372, 56634080), (384, 54864265), (465, 45307264), (480, 43891412), (496, 42475560), (620, 33980448), (640, 32918559), (744, 28317040), (930, 22653632), (960, 21945706), (992, 21237780), (1240, 16990224), (1488, 14158520), (1860, 11326816), (1920, 10972853), (1984, 10618890), (2480, 8495112), (2976, 7079260), (3720, 5663408), (3968, 5309445), (4960, 4247556), (5952, 3539630), (7440, 2831704), (9920, 2123778), (11904, 1769815), (14880, 1415852), (19840, 1061889), (29760, 707926), (59520, 353963)]