1223202120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{2399}}^1$

素因数の和:3027

約数の個数: 128

約数和(自身を含む): 4202496000

約数和(自身を除く): 2979293880

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, 607, 840, 1214, 1821, 2399, 2428, 3035, 3642, 4249, 4798, 4856, 6070, 7197, 7284, 8498, 9105, 9596, 11995, 12140, 12747, 14394, 14568, 16793, 16996, 18210, 19192, 21245, 23990, 24280, 25494, 28788, 33586, 33992, 35985, 36420, 42490, 47980, 50379, 50988, 57576, 63735, 67172, 71970, 72840, 83965, 84980, 95960, 100758, 101976, 127470, 134344, 143940, 167930, 169960, 201516, 251895, 254940, 287880, 335860, 403032, 503790, 509880, 671720, 1007580, 1456193, 2015160, 2912386, 4368579, 5824772, 7280965, 8737158, 10193351, 11649544, 14561930, 17474316, 20386702, 21842895, 29123860, 30580053, 34948632, 40773404, 43685790, 50966755, 58247720, 61160106, 81546808, 87371580, 101933510, 122320212, 152900265, 174743160, 203867020, 244640424, 305800530, 407734040, 611601060, 1223202120]

約数ペア:

[(1, 1223202120), (2, 611601060), (3, 407734040), (4, 305800530), (5, 244640424), (6, 203867020), (7, 174743160), (8, 152900265), (10, 122320212), (12, 101933510), (14, 87371580), (15, 81546808), (20, 61160106), (21, 58247720), (24, 50966755), (28, 43685790), (30, 40773404), (35, 34948632), (40, 30580053), (42, 29123860), (56, 21842895), (60, 20386702), (70, 17474316), (84, 14561930), (105, 11649544), (120, 10193351), (140, 8737158), (168, 7280965), (210, 5824772), (280, 4368579), (420, 2912386), (607, 2015160), (840, 1456193), (1214, 1007580), (1821, 671720), (2399, 509880), (2428, 503790), (3035, 403032), (3642, 335860), (4249, 287880), (4798, 254940), (4856, 251895), (6070, 201516), (7197, 169960), (7284, 167930), (8498, 143940), (9105, 134344), (9596, 127470), (11995, 101976), (12140, 100758), (12747, 95960), (14394, 84980), (14568, 83965), (16793, 72840), (16996, 71970), (18210, 67172), (19192, 63735), (21245, 57576), (23990, 50988), (24280, 50379), (25494, 47980), (28788, 42490), (33586, 36420), (33992, 35985)]