40921860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 137894400

約数和(自身を除く): 96972540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 449, 465, 490, 588, 620, 651, 735, 868, 898, 930, 980, 1085, 1302, 1347, 1470, 1519, 1796, 1860, 2170, 2245, 2604, 2694, 2940, 3038, 3143, 3255, 4340, 4490, 4557, 5388, 6076, 6286, 6510, 6735, 7595, 8980, 9114, 9429, 12572, 13020, 13470, 13919, 15190, 15715, 18228, 18858, 22001, 22785, 26940, 27838, 30380, 31430, 37716, 41757, 44002, 45570, 47145, 55676, 62860, 66003, 69595, 83514, 88004, 91140, 94290, 97433, 110005, 132006, 139190, 167028, 188580, 194866, 208785, 220010, 264012, 278380, 292299, 330015, 389732, 417570, 440020, 487165, 584598, 660030, 682031, 835140, 974330, 1169196, 1320060, 1364062, 1461495, 1948660, 2046093, 2728124, 2922990, 3410155, 4092186, 5845980, 6820310, 8184372, 10230465, 13640620, 20460930, 40921860]

約数ペア:

[(1, 40921860), (2, 20460930), (3, 13640620), (4, 10230465), (5, 8184372), (6, 6820310), (7, 5845980), (10, 4092186), (12, 3410155), (14, 2922990), (15, 2728124), (20, 2046093), (21, 1948660), (28, 1461495), (30, 1364062), (31, 1320060), (35, 1169196), (42, 974330), (49, 835140), (60, 682031), (62, 660030), (70, 584598), (84, 487165), (93, 440020), (98, 417570), (105, 389732), (124, 330015), (140, 292299), (147, 278380), (155, 264012), (186, 220010), (196, 208785), (210, 194866), (217, 188580), (245, 167028), (294, 139190), (310, 132006), (372, 110005), (420, 97433), (434, 94290), (449, 91140), (465, 88004), (490, 83514), (588, 69595), (620, 66003), (651, 62860), (735, 55676), (868, 47145), (898, 45570), (930, 44002), (980, 41757), (1085, 37716), (1302, 31430), (1347, 30380), (1470, 27838), (1519, 26940), (1796, 22785), (1860, 22001), (2170, 18858), (2245, 18228), (2604, 15715), (2694, 15190), (2940, 13919), (3038, 13470), (3143, 13020), (3255, 12572), (4340, 9429), (4490, 9114), (4557, 8980), (5388, 7595), (6076, 6735), (6286, 6510)]