31078740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:99

約数の個数: 216

約数和(自身を含む): 114107616

約数和(自身を除く): 83028876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 49, 55, 60, 62, 66, 70, 77, 84, 93, 98, 105, 110, 124, 132, 140, 147, 154, 155, 165, 186, 196, 210, 217, 220, 231, 245, 294, 308, 310, 330, 341, 372, 385, 420, 434, 462, 465, 490, 539, 588, 620, 651, 660, 682, 735, 770, 868, 924, 930, 961, 980, 1023, 1078, 1085, 1155, 1302, 1364, 1470, 1519, 1540, 1617, 1705, 1860, 1922, 2046, 2156, 2170, 2310, 2387, 2604, 2695, 2883, 2940, 3038, 3234, 3255, 3410, 3844, 4092, 4340, 4557, 4620, 4774, 4805, 5115, 5390, 5766, 6076, 6468, 6510, 6727, 6820, 7161, 7595, 8085, 9114, 9548, 9610, 10230, 10571, 10780, 11532, 11935, 13020, 13454, 14322, 14415, 15190, 16170, 16709, 18228, 19220, 20181, 20460, 21142, 22785, 23870, 26908, 28644, 28830, 30380, 31713, 32340, 33418, 33635, 35805, 40362, 42284, 45570, 47089, 47740, 50127, 52855, 57660, 63426, 66836, 67270, 71610, 73997, 80724, 83545, 91140, 94178, 100254, 100905, 105710, 126852, 134540, 141267, 143220, 147994, 158565, 167090, 188356, 200508, 201810, 211420, 221991, 235445, 250635, 282534, 295988, 317130, 334180, 369985, 403620, 443982, 470890, 501270, 517979, 565068, 634260, 706335, 739970, 887964, 941780, 1002540, 1035958, 1109955, 1412670, 1479940, 1553937, 2071916, 2219910, 2589895, 2825340, 3107874, 4439820, 5179790, 6215748, 7769685, 10359580, 15539370, 31078740]

約数ペア:

[(1, 31078740), (2, 15539370), (3, 10359580), (4, 7769685), (5, 6215748), (6, 5179790), (7, 4439820), (10, 3107874), (11, 2825340), (12, 2589895), (14, 2219910), (15, 2071916), (20, 1553937), (21, 1479940), (22, 1412670), (28, 1109955), (30, 1035958), (31, 1002540), (33, 941780), (35, 887964), (42, 739970), (44, 706335), (49, 634260), (55, 565068), (60, 517979), (62, 501270), (66, 470890), (70, 443982), (77, 403620), (84, 369985), (93, 334180), (98, 317130), (105, 295988), (110, 282534), (124, 250635), (132, 235445), (140, 221991), (147, 211420), (154, 201810), (155, 200508), (165, 188356), (186, 167090), (196, 158565), (210, 147994), (217, 143220), (220, 141267), (231, 134540), (245, 126852), (294, 105710), (308, 100905), (310, 100254), (330, 94178), (341, 91140), (372, 83545), (385, 80724), (420, 73997), (434, 71610), (462, 67270), (465, 66836), (490, 63426), (539, 57660), (588, 52855), (620, 50127), (651, 47740), (660, 47089), (682, 45570), (735, 42284), (770, 40362), (868, 35805), (924, 33635), (930, 33418), (961, 32340), (980, 31713), (1023, 30380), (1078, 28830), (1085, 28644), (1155, 26908), (1302, 23870), (1364, 22785), (1470, 21142), (1519, 20460), (1540, 20181), (1617, 19220), (1705, 18228), (1860, 16709), (1922, 16170), (2046, 15190), (2156, 14415), (2170, 14322), (2310, 13454), (2387, 13020), (2604, 11935), (2695, 11532), (2883, 10780), (2940, 10571), (3038, 10230), (3234, 9610), (3255, 9548), (3410, 9114), (3844, 8085), (4092, 7595), (4340, 7161), (4557, 6820), (4620, 6727), (4774, 6510), (4805, 6468), (5115, 6076), (5390, 5766)]