67404540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 224211456

約数和(自身を除く): 156806916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 167, 186, 210, 217, 310, 334, 372, 420, 434, 465, 501, 620, 651, 668, 835, 868, 930, 961, 1002, 1085, 1169, 1302, 1670, 1860, 1922, 2004, 2170, 2338, 2505, 2604, 2883, 3255, 3340, 3507, 3844, 4340, 4676, 4805, 5010, 5177, 5766, 5845, 6510, 6727, 7014, 9610, 10020, 10354, 11532, 11690, 13020, 13454, 14028, 14415, 15531, 17535, 19220, 20181, 20708, 23380, 25885, 26908, 28830, 31062, 33635, 35070, 36239, 40362, 51770, 57660, 62124, 67270, 70140, 72478, 77655, 80724, 100905, 103540, 108717, 134540, 144956, 155310, 160487, 181195, 201810, 217434, 310620, 320974, 362390, 403620, 434868, 481461, 543585, 641948, 724780, 802435, 962922, 1087170, 1123409, 1604870, 1925844, 2174340, 2246818, 2407305, 3209740, 3370227, 4493636, 4814610, 5617045, 6740454, 9629220, 11234090, 13480908, 16851135, 22468180, 33702270, 67404540]

約数ペア:

[(1, 67404540), (2, 33702270), (3, 22468180), (4, 16851135), (5, 13480908), (6, 11234090), (7, 9629220), (10, 6740454), (12, 5617045), (14, 4814610), (15, 4493636), (20, 3370227), (21, 3209740), (28, 2407305), (30, 2246818), (31, 2174340), (35, 1925844), (42, 1604870), (60, 1123409), (62, 1087170), (70, 962922), (84, 802435), (93, 724780), (105, 641948), (124, 543585), (140, 481461), (155, 434868), (167, 403620), (186, 362390), (210, 320974), (217, 310620), (310, 217434), (334, 201810), (372, 181195), (420, 160487), (434, 155310), (465, 144956), (501, 134540), (620, 108717), (651, 103540), (668, 100905), (835, 80724), (868, 77655), (930, 72478), (961, 70140), (1002, 67270), (1085, 62124), (1169, 57660), (1302, 51770), (1670, 40362), (1860, 36239), (1922, 35070), (2004, 33635), (2170, 31062), (2338, 28830), (2505, 26908), (2604, 25885), (2883, 23380), (3255, 20708), (3340, 20181), (3507, 19220), (3844, 17535), (4340, 15531), (4676, 14415), (4805, 14028), (5010, 13454), (5177, 13020), (5766, 11690), (5845, 11532), (6510, 10354), (6727, 10020), (7014, 9610)]