242501840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 679004160

約数和(自身を除く): 436502320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 140, 155, 217, 229, 244, 248, 280, 305, 310, 427, 434, 458, 488, 496, 560, 610, 620, 854, 868, 916, 976, 1085, 1145, 1220, 1240, 1603, 1708, 1736, 1832, 1891, 2135, 2170, 2290, 2440, 2480, 3206, 3416, 3472, 3664, 3782, 4270, 4340, 4580, 4880, 6412, 6832, 7099, 7564, 8015, 8540, 8680, 9160, 9455, 12824, 13237, 13969, 14198, 15128, 16030, 17080, 17360, 18320, 18910, 25648, 26474, 27938, 28396, 30256, 32060, 34160, 35495, 37820, 49693, 52948, 55876, 56792, 64120, 66185, 69845, 70990, 75640, 97783, 99386, 105896, 111752, 113584, 128240, 132370, 139690, 141980, 151280, 195566, 198772, 211792, 223504, 248465, 264740, 279380, 283960, 391132, 397544, 433039, 488915, 496930, 529480, 558760, 567920, 782264, 795088, 866078, 977830, 993860, 1058960, 1117520, 1564528, 1732156, 1955660, 1987720, 2165195, 3031273, 3464312, 3911320, 3975440, 4330390, 6062546, 6928624, 7822640, 8660780, 12125092, 15156365, 17321560, 24250184, 30312730, 34643120, 48500368, 60625460, 121250920, 242501840]

約数ペア:

[(1, 242501840), (2, 121250920), (4, 60625460), (5, 48500368), (7, 34643120), (8, 30312730), (10, 24250184), (14, 17321560), (16, 15156365), (20, 12125092), (28, 8660780), (31, 7822640), (35, 6928624), (40, 6062546), (56, 4330390), (61, 3975440), (62, 3911320), (70, 3464312), (80, 3031273), (112, 2165195), (122, 1987720), (124, 1955660), (140, 1732156), (155, 1564528), (217, 1117520), (229, 1058960), (244, 993860), (248, 977830), (280, 866078), (305, 795088), (310, 782264), (427, 567920), (434, 558760), (458, 529480), (488, 496930), (496, 488915), (560, 433039), (610, 397544), (620, 391132), (854, 283960), (868, 279380), (916, 264740), (976, 248465), (1085, 223504), (1145, 211792), (1220, 198772), (1240, 195566), (1603, 151280), (1708, 141980), (1736, 139690), (1832, 132370), (1891, 128240), (2135, 113584), (2170, 111752), (2290, 105896), (2440, 99386), (2480, 97783), (3206, 75640), (3416, 70990), (3472, 69845), (3664, 66185), (3782, 64120), (4270, 56792), (4340, 55876), (4580, 52948), (4880, 49693), (6412, 37820), (6832, 35495), (7099, 34160), (7564, 32060), (8015, 30256), (8540, 28396), (8680, 27938), (9160, 26474), (9455, 25648), (12824, 18910), (13237, 18320), (13969, 17360), (14198, 17080), (15128, 16030)]