18000150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 54282240

約数和(自身を除く): 36282090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 49, 50, 62, 70, 75, 79, 93, 98, 105, 147, 150, 155, 158, 175, 186, 210, 217, 237, 245, 294, 310, 350, 395, 434, 465, 474, 490, 525, 553, 651, 735, 775, 790, 930, 1050, 1085, 1106, 1185, 1225, 1302, 1470, 1519, 1550, 1659, 1975, 2170, 2325, 2370, 2449, 2450, 2765, 3038, 3255, 3318, 3675, 3871, 3950, 4557, 4650, 4898, 5425, 5530, 5925, 6510, 7347, 7350, 7595, 7742, 8295, 9114, 10850, 11613, 11850, 12245, 13825, 14694, 15190, 16275, 16590, 17143, 19355, 22785, 23226, 24490, 27650, 32550, 34286, 36735, 37975, 38710, 41475, 45570, 51429, 58065, 61225, 73470, 75950, 82950, 85715, 96775, 102858, 113925, 116130, 120001, 122450, 171430, 183675, 193550, 227850, 240002, 257145, 290325, 360003, 367350, 428575, 514290, 580650, 600005, 720006, 857150, 1200010, 1285725, 1800015, 2571450, 3000025, 3600030, 6000050, 9000075, 18000150]

約数ペア:

[(1, 18000150), (2, 9000075), (3, 6000050), (5, 3600030), (6, 3000025), (7, 2571450), (10, 1800015), (14, 1285725), (15, 1200010), (21, 857150), (25, 720006), (30, 600005), (31, 580650), (35, 514290), (42, 428575), (49, 367350), (50, 360003), (62, 290325), (70, 257145), (75, 240002), (79, 227850), (93, 193550), (98, 183675), (105, 171430), (147, 122450), (150, 120001), (155, 116130), (158, 113925), (175, 102858), (186, 96775), (210, 85715), (217, 82950), (237, 75950), (245, 73470), (294, 61225), (310, 58065), (350, 51429), (395, 45570), (434, 41475), (465, 38710), (474, 37975), (490, 36735), (525, 34286), (553, 32550), (651, 27650), (735, 24490), (775, 23226), (790, 22785), (930, 19355), (1050, 17143), (1085, 16590), (1106, 16275), (1185, 15190), (1225, 14694), (1302, 13825), (1470, 12245), (1519, 11850), (1550, 11613), (1659, 10850), (1975, 9114), (2170, 8295), (2325, 7742), (2370, 7595), (2449, 7350), (2450, 7347), (2765, 6510), (3038, 5925), (3255, 5530), (3318, 5425), (3675, 4898), (3871, 4650), (3950, 4557)]