1279907160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{3181}}^1$

素因数の和:3681

約数の個数: 128

約数和(自身を含む): 4398796800

約数和(自身を除く): 3118889640

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, 479, 840, 958, 1437, 1916, 2395, 2874, 3181, 3353, 3832, 4790, 5748, 6362, 6706, 7185, 9543, 9580, 10059, 11496, 12724, 13412, 14370, 15905, 16765, 19086, 19160, 20118, 22267, 25448, 26824, 28740, 31810, 33530, 38172, 40236, 44534, 47715, 50295, 57480, 63620, 66801, 67060, 76344, 80472, 89068, 95430, 100590, 111335, 127240, 133602, 134120, 178136, 190860, 201180, 222670, 267204, 334005, 381720, 402360, 445340, 534408, 668010, 890680, 1336020, 1523699, 2672040, 3047398, 4571097, 6094796, 7618495, 9142194, 10665893, 12189592, 15236990, 18284388, 21331786, 22855485, 30473980, 31997679, 36568776, 42663572, 45710970, 53329465, 60947960, 63995358, 85327144, 91421940, 106658930, 127990716, 159988395, 182843880, 213317860, 255981432, 319976790, 426635720, 639953580, 1279907160]

約数ペア:

[(1, 1279907160), (2, 639953580), (3, 426635720), (4, 319976790), (5, 255981432), (6, 213317860), (7, 182843880), (8, 159988395), (10, 127990716), (12, 106658930), (14, 91421940), (15, 85327144), (20, 63995358), (21, 60947960), (24, 53329465), (28, 45710970), (30, 42663572), (35, 36568776), (40, 31997679), (42, 30473980), (56, 22855485), (60, 21331786), (70, 18284388), (84, 15236990), (105, 12189592), (120, 10665893), (140, 9142194), (168, 7618495), (210, 6094796), (280, 4571097), (420, 3047398), (479, 2672040), (840, 1523699), (958, 1336020), (1437, 890680), (1916, 668010), (2395, 534408), (2874, 445340), (3181, 402360), (3353, 381720), (3832, 334005), (4790, 267204), (5748, 222670), (6362, 201180), (6706, 190860), (7185, 178136), (9543, 134120), (9580, 133602), (10059, 127240), (11496, 111335), (12724, 100590), (13412, 95430), (14370, 89068), (15905, 80472), (16765, 76344), (19086, 67060), (19160, 66801), (20118, 63620), (22267, 57480), (25448, 50295), (26824, 47715), (28740, 44534), (31810, 40236), (33530, 38172)]