1304211720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25453}}^1$

素因数の和:25535

約数の個数: 128

約数和(自身を含む): 4545066240

約数和(自身を除く): 3240854520

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, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8540, 10248, 12810, 17080, 25453, 25620, 50906, 51240, 76359, 101812, 127265, 152718, 178171, 203624, 254530, 305436, 356342, 381795, 509060, 534513, 610872, 712684, 763590, 890855, 1018120, 1069026, 1425368, 1527180, 1552633, 1781710, 2138052, 2672565, 3054360, 3105266, 3563420, 4276104, 4657899, 5345130, 6210532, 7126840, 7763165, 9315798, 10690260, 10868431, 12421064, 15526330, 18631596, 21380520, 21736862, 23289495, 31052660, 32605293, 37263192, 43473724, 46578990, 54342155, 62105320, 65210586, 86947448, 93157980, 108684310, 130421172, 163026465, 186315960, 217368620, 260842344, 326052930, 434737240, 652105860, 1304211720]

約数ペア:

[(1, 1304211720), (2, 652105860), (3, 434737240), (4, 326052930), (5, 260842344), (6, 217368620), (7, 186315960), (8, 163026465), (10, 130421172), (12, 108684310), (14, 93157980), (15, 86947448), (20, 65210586), (21, 62105320), (24, 54342155), (28, 46578990), (30, 43473724), (35, 37263192), (40, 32605293), (42, 31052660), (56, 23289495), (60, 21736862), (61, 21380520), (70, 18631596), (84, 15526330), (105, 12421064), (120, 10868431), (122, 10690260), (140, 9315798), (168, 7763165), (183, 7126840), (210, 6210532), (244, 5345130), (280, 4657899), (305, 4276104), (366, 3563420), (420, 3105266), (427, 3054360), (488, 2672565), (610, 2138052), (732, 1781710), (840, 1552633), (854, 1527180), (915, 1425368), (1220, 1069026), (1281, 1018120), (1464, 890855), (1708, 763590), (1830, 712684), (2135, 610872), (2440, 534513), (2562, 509060), (3416, 381795), (3660, 356342), (4270, 305436), (5124, 254530), (6405, 203624), (7320, 178171), (8540, 152718), (10248, 127265), (12810, 101812), (17080, 76359), (25453, 51240), (25620, 50906)]