20688152040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{31013}}^1$

素因数の和:31156

約数の個数: 192

約数和(自身を含む): 71847032400

約数和(自身を除く): 51158880360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 109, 120, 136, 153, 170, 180, 204, 218, 255, 306, 327, 340, 360, 408, 436, 510, 545, 612, 654, 680, 765, 872, 981, 1020, 1090, 1224, 1308, 1530, 1635, 1853, 1962, 2040, 2180, 2616, 3060, 3270, 3706, 3924, 4360, 4905, 5559, 6120, 6540, 7412, 7848, 9265, 9810, 11118, 13080, 14824, 16677, 18530, 19620, 22236, 27795, 31013, 33354, 37060, 39240, 44472, 55590, 62026, 66708, 74120, 83385, 93039, 111180, 124052, 133416, 155065, 166770, 186078, 222360, 248104, 279117, 310130, 333540, 372156, 465195, 527221, 558234, 620260, 667080, 744312, 930390, 1054442, 1116468, 1240520, 1395585, 1581663, 1860780, 2108884, 2232936, 2636105, 2791170, 3163326, 3380417, 3721560, 4217768, 4744989, 5272210, 5582340, 6326652, 6760834, 7908315, 9489978, 10141251, 10544420, 11164680, 12653304, 13521668, 15816630, 16902085, 18979956, 20282502, 21088840, 23724945, 27043336, 30423753, 31633260, 33804170, 37959912, 40565004, 47449890, 50706255, 57467089, 60847506, 63266520, 67608340, 81130008, 94899780, 101412510, 114934178, 121695012, 135216680, 152118765, 172401267, 189799560, 202825020, 229868356, 243390024, 287335445, 304237530, 344802534, 405650040, 459736712, 517203801, 574670890, 608475060, 689605068, 862006335, 1034407602, 1149341780, 1216950120, 1379210136, 1724012670, 2068815204, 2298683560, 2586019005, 3448025340, 4137630408, 5172038010, 6896050680, 10344076020, 20688152040]

約数ペア:

[(1, 20688152040), (2, 10344076020), (3, 6896050680), (4, 5172038010), (5, 4137630408), (6, 3448025340), (8, 2586019005), (9, 2298683560), (10, 2068815204), (12, 1724012670), (15, 1379210136), (17, 1216950120), (18, 1149341780), (20, 1034407602), (24, 862006335), (30, 689605068), (34, 608475060), (36, 574670890), (40, 517203801), (45, 459736712), (51, 405650040), (60, 344802534), (68, 304237530), (72, 287335445), (85, 243390024), (90, 229868356), (102, 202825020), (109, 189799560), (120, 172401267), (136, 152118765), (153, 135216680), (170, 121695012), (180, 114934178), (204, 101412510), (218, 94899780), (255, 81130008), (306, 67608340), (327, 63266520), (340, 60847506), (360, 57467089), (408, 50706255), (436, 47449890), (510, 40565004), (545, 37959912), (612, 33804170), (654, 31633260), (680, 30423753), (765, 27043336), (872, 23724945), (981, 21088840), (1020, 20282502), (1090, 18979956), (1224, 16902085), (1308, 15816630), (1530, 13521668), (1635, 12653304), (1853, 11164680), (1962, 10544420), (2040, 10141251), (2180, 9489978), (2616, 7908315), (3060, 6760834), (3270, 6326652), (3706, 5582340), (3924, 5272210), (4360, 4744989), (4905, 4217768), (5559, 3721560), (6120, 3380417), (6540, 3163326), (7412, 2791170), (7848, 2636105), (9265, 2232936), (9810, 2108884), (11118, 1860780), (13080, 1581663), (14824, 1395585), (16677, 1240520), (18530, 1116468), (19620, 1054442), (22236, 930390), (27795, 744312), (31013, 667080), (33354, 620260), (37060, 558234), (39240, 527221), (44472, 465195), (55590, 372156), (62026, 333540), (66708, 310130), (74120, 279117), (83385, 248104), (93039, 222360), (111180, 186078), (124052, 166770), (133416, 155065)]