42015540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 141571584

約数和(自身を除く): 99556044

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, 461, 465, 490, 588, 620, 651, 735, 868, 922, 930, 980, 1085, 1302, 1383, 1470, 1519, 1844, 1860, 2170, 2305, 2604, 2766, 2940, 3038, 3227, 3255, 4340, 4557, 4610, 5532, 6076, 6454, 6510, 6915, 7595, 9114, 9220, 9681, 12908, 13020, 13830, 14291, 15190, 16135, 18228, 19362, 22589, 22785, 27660, 28582, 30380, 32270, 38724, 42873, 45178, 45570, 48405, 57164, 64540, 67767, 71455, 85746, 90356, 91140, 96810, 100037, 112945, 135534, 142910, 171492, 193620, 200074, 214365, 225890, 271068, 285820, 300111, 338835, 400148, 428730, 451780, 500185, 600222, 677670, 700259, 857460, 1000370, 1200444, 1355340, 1400518, 1500555, 2000740, 2100777, 2801036, 3001110, 3501295, 4201554, 6002220, 7002590, 8403108, 10503885, 14005180, 21007770, 42015540]

約数ペア:

[(1, 42015540), (2, 21007770), (3, 14005180), (4, 10503885), (5, 8403108), (6, 7002590), (7, 6002220), (10, 4201554), (12, 3501295), (14, 3001110), (15, 2801036), (20, 2100777), (21, 2000740), (28, 1500555), (30, 1400518), (31, 1355340), (35, 1200444), (42, 1000370), (49, 857460), (60, 700259), (62, 677670), (70, 600222), (84, 500185), (93, 451780), (98, 428730), (105, 400148), (124, 338835), (140, 300111), (147, 285820), (155, 271068), (186, 225890), (196, 214365), (210, 200074), (217, 193620), (245, 171492), (294, 142910), (310, 135534), (372, 112945), (420, 100037), (434, 96810), (461, 91140), (465, 90356), (490, 85746), (588, 71455), (620, 67767), (651, 64540), (735, 57164), (868, 48405), (922, 45570), (930, 45178), (980, 42873), (1085, 38724), (1302, 32270), (1383, 30380), (1470, 28582), (1519, 27660), (1844, 22785), (1860, 22589), (2170, 19362), (2305, 18228), (2604, 16135), (2766, 15190), (2940, 14291), (3038, 13830), (3227, 13020), (3255, 12908), (4340, 9681), (4557, 9220), (4610, 9114), (5532, 7595), (6076, 6915), (6454, 6510)]