144430780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 347860800

約数和(自身を除く): 203430020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 173, 190, 247, 260, 338, 346, 380, 494, 676, 692, 845, 865, 988, 1235, 1690, 1730, 2197, 2249, 2470, 3211, 3287, 3380, 3460, 4394, 4498, 4940, 6422, 6574, 8788, 8996, 10985, 11245, 12844, 13148, 16055, 16435, 21970, 22490, 29237, 32110, 32870, 41743, 42731, 43940, 44980, 58474, 64220, 65740, 83486, 85462, 116948, 146185, 166972, 170924, 208715, 213655, 292370, 380081, 417430, 427310, 555503, 584740, 760162, 834860, 854620, 1111006, 1520324, 1900405, 2222012, 2777515, 3800810, 5555030, 7221539, 7601620, 11110060, 14443078, 28886156, 36107695, 72215390, 144430780]

約数ペア:

[(1, 144430780), (2, 72215390), (4, 36107695), (5, 28886156), (10, 14443078), (13, 11110060), (19, 7601620), (20, 7221539), (26, 5555030), (38, 3800810), (52, 2777515), (65, 2222012), (76, 1900405), (95, 1520324), (130, 1111006), (169, 854620), (173, 834860), (190, 760162), (247, 584740), (260, 555503), (338, 427310), (346, 417430), (380, 380081), (494, 292370), (676, 213655), (692, 208715), (845, 170924), (865, 166972), (988, 146185), (1235, 116948), (1690, 85462), (1730, 83486), (2197, 65740), (2249, 64220), (2470, 58474), (3211, 44980), (3287, 43940), (3380, 42731), (3460, 41743), (4394, 32870), (4498, 32110), (4940, 29237), (6422, 22490), (6574, 21970), (8788, 16435), (8996, 16055), (10985, 13148), (11245, 12844)]