245038920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{599}}^1$

素因数の和:1107

約数の個数: 128

約数和(自身を含む): 843264000

約数和(自身を除く): 598225080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 487, 599, 840, 974, 1198, 1461, 1797, 1948, 2396, 2435, 2922, 2995, 3409, 3594, 3896, 4193, 4792, 4870, 5844, 5990, 6818, 7188, 7305, 8386, 8985, 9740, 10227, 11688, 11980, 12579, 13636, 14376, 14610, 16772, 17045, 17970, 19480, 20454, 20965, 23960, 25158, 27272, 29220, 33544, 34090, 35940, 40908, 41930, 50316, 51135, 58440, 62895, 68180, 71880, 81816, 83860, 100632, 102270, 125790, 136360, 167720, 204540, 251580, 291713, 409080, 503160, 583426, 875139, 1166852, 1458565, 1750278, 2041991, 2333704, 2917130, 3500556, 4083982, 4375695, 5834260, 6125973, 7001112, 8167964, 8751390, 10209955, 11668520, 12251946, 16335928, 17502780, 20419910, 24503892, 30629865, 35005560, 40839820, 49007784, 61259730, 81679640, 122519460, 245038920]

約数ペア:

[(1, 245038920), (2, 122519460), (3, 81679640), (4, 61259730), (5, 49007784), (6, 40839820), (7, 35005560), (8, 30629865), (10, 24503892), (12, 20419910), (14, 17502780), (15, 16335928), (20, 12251946), (21, 11668520), (24, 10209955), (28, 8751390), (30, 8167964), (35, 7001112), (40, 6125973), (42, 5834260), (56, 4375695), (60, 4083982), (70, 3500556), (84, 2917130), (105, 2333704), (120, 2041991), (140, 1750278), (168, 1458565), (210, 1166852), (280, 875139), (420, 583426), (487, 503160), (599, 409080), (840, 291713), (974, 251580), (1198, 204540), (1461, 167720), (1797, 136360), (1948, 125790), (2396, 102270), (2435, 100632), (2922, 83860), (2995, 81816), (3409, 71880), (3594, 68180), (3896, 62895), (4193, 58440), (4792, 51135), (4870, 50316), (5844, 41930), (5990, 40908), (6818, 35940), (7188, 34090), (7305, 33544), (8386, 29220), (8985, 27272), (9740, 25158), (10227, 23960), (11688, 20965), (11980, 20454), (12579, 19480), (13636, 17970), (14376, 17045), (14610, 16772)]