31212090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 103574016

約数和(自身を除く): 72361926

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 37, 39, 42, 45, 63, 65, 70, 74, 78, 90, 91, 103, 105, 111, 117, 126, 130, 182, 185, 195, 206, 210, 222, 234, 259, 273, 309, 315, 333, 370, 390, 455, 481, 515, 518, 546, 555, 585, 618, 630, 666, 721, 777, 819, 910, 927, 962, 1030, 1110, 1170, 1295, 1339, 1365, 1442, 1443, 1545, 1554, 1638, 1665, 1854, 2163, 2331, 2405, 2590, 2678, 2730, 2886, 3090, 3330, 3367, 3605, 3811, 3885, 4017, 4095, 4326, 4329, 4635, 4662, 4810, 6489, 6695, 6734, 7210, 7215, 7622, 7770, 8034, 8190, 8658, 9270, 9373, 10101, 10815, 11433, 11655, 12051, 12978, 13390, 14430, 16835, 18746, 19055, 20085, 20202, 21630, 21645, 22866, 23310, 24102, 26677, 28119, 30303, 32445, 33670, 34299, 38110, 40170, 43290, 46865, 49543, 50505, 53354, 56238, 57165, 60255, 60606, 64890, 68598, 80031, 84357, 93730, 99086, 101010, 114330, 120510, 133385, 140595, 148629, 151515, 160062, 168714, 171495, 240093, 247715, 266770, 281190, 297258, 303030, 342990, 346801, 400155, 421785, 445887, 480186, 495430, 693602, 743145, 800310, 843570, 891774, 1040403, 1200465, 1486290, 1734005, 2080806, 2229435, 2400930, 3121209, 3468010, 4458870, 5202015, 6242418, 10404030, 15606045, 31212090]

約数ペア:

[(1, 31212090), (2, 15606045), (3, 10404030), (5, 6242418), (6, 5202015), (7, 4458870), (9, 3468010), (10, 3121209), (13, 2400930), (14, 2229435), (15, 2080806), (18, 1734005), (21, 1486290), (26, 1200465), (30, 1040403), (35, 891774), (37, 843570), (39, 800310), (42, 743145), (45, 693602), (63, 495430), (65, 480186), (70, 445887), (74, 421785), (78, 400155), (90, 346801), (91, 342990), (103, 303030), (105, 297258), (111, 281190), (117, 266770), (126, 247715), (130, 240093), (182, 171495), (185, 168714), (195, 160062), (206, 151515), (210, 148629), (222, 140595), (234, 133385), (259, 120510), (273, 114330), (309, 101010), (315, 99086), (333, 93730), (370, 84357), (390, 80031), (455, 68598), (481, 64890), (515, 60606), (518, 60255), (546, 57165), (555, 56238), (585, 53354), (618, 50505), (630, 49543), (666, 46865), (721, 43290), (777, 40170), (819, 38110), (910, 34299), (927, 33670), (962, 32445), (1030, 30303), (1110, 28119), (1170, 26677), (1295, 24102), (1339, 23310), (1365, 22866), (1442, 21645), (1443, 21630), (1545, 20202), (1554, 20085), (1638, 19055), (1665, 18746), (1854, 16835), (2163, 14430), (2331, 13390), (2405, 12978), (2590, 12051), (2678, 11655), (2730, 11433), (2886, 10815), (3090, 10101), (3330, 9373), (3367, 9270), (3605, 8658), (3811, 8190), (3885, 8034), (4017, 7770), (4095, 7622), (4326, 7215), (4329, 7210), (4635, 6734), (4662, 6695), (4810, 6489)]