20179287720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{7243}}^1$

素因数の和:7440

約数の個数: 192

約数和(自身を含む): 67125801600

約数和(自身を除く): 46946513880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 109, 120, 142, 180, 213, 218, 284, 327, 355, 360, 426, 436, 545, 568, 639, 654, 710, 852, 872, 981, 1065, 1090, 1278, 1308, 1420, 1635, 1704, 1962, 2130, 2180, 2556, 2616, 2840, 3195, 3270, 3924, 4260, 4360, 4905, 5112, 6390, 6540, 7243, 7739, 7848, 8520, 9810, 12780, 13080, 14486, 15478, 19620, 21729, 23217, 25560, 28972, 30956, 36215, 38695, 39240, 43458, 46434, 57944, 61912, 65187, 69651, 72430, 77390, 86916, 92868, 108645, 116085, 130374, 139302, 144860, 154780, 173832, 185736, 217290, 232170, 260748, 278604, 289720, 309560, 325935, 348255, 434580, 464340, 514253, 521496, 557208, 651870, 696510, 789487, 869160, 928680, 1028506, 1303740, 1393020, 1542759, 1578974, 2057012, 2368461, 2571265, 2607480, 2786040, 3085518, 3157948, 3947435, 4114024, 4628277, 4736922, 5142530, 6171036, 6315896, 7105383, 7713795, 7894870, 9256554, 9473844, 10285060, 11842305, 12342072, 14210766, 15427590, 15789740, 18513108, 18947688, 20570120, 23141385, 23684610, 28421532, 30855180, 31579480, 35526915, 37026216, 46282770, 47369220, 56053577, 56843064, 61710360, 71053830, 92565540, 94738440, 112107154, 142107660, 168160731, 185131080, 224214308, 280267885, 284215320, 336321462, 448428616, 504482193, 560535770, 672642924, 840803655, 1008964386, 1121071540, 1345285848, 1681607310, 2017928772, 2242143080, 2522410965, 3363214620, 4035857544, 5044821930, 6726429240, 10089643860, 20179287720]

約数ペア:

[(1, 20179287720), (2, 10089643860), (3, 6726429240), (4, 5044821930), (5, 4035857544), (6, 3363214620), (8, 2522410965), (9, 2242143080), (10, 2017928772), (12, 1681607310), (15, 1345285848), (18, 1121071540), (20, 1008964386), (24, 840803655), (30, 672642924), (36, 560535770), (40, 504482193), (45, 448428616), (60, 336321462), (71, 284215320), (72, 280267885), (90, 224214308), (109, 185131080), (120, 168160731), (142, 142107660), (180, 112107154), (213, 94738440), (218, 92565540), (284, 71053830), (327, 61710360), (355, 56843064), (360, 56053577), (426, 47369220), (436, 46282770), (545, 37026216), (568, 35526915), (639, 31579480), (654, 30855180), (710, 28421532), (852, 23684610), (872, 23141385), (981, 20570120), (1065, 18947688), (1090, 18513108), (1278, 15789740), (1308, 15427590), (1420, 14210766), (1635, 12342072), (1704, 11842305), (1962, 10285060), (2130, 9473844), (2180, 9256554), (2556, 7894870), (2616, 7713795), (2840, 7105383), (3195, 6315896), (3270, 6171036), (3924, 5142530), (4260, 4736922), (4360, 4628277), (4905, 4114024), (5112, 3947435), (6390, 3157948), (6540, 3085518), (7243, 2786040), (7739, 2607480), (7848, 2571265), (8520, 2368461), (9810, 2057012), (12780, 1578974), (13080, 1542759), (14486, 1393020), (15478, 1303740), (19620, 1028506), (21729, 928680), (23217, 869160), (25560, 789487), (28972, 696510), (30956, 651870), (36215, 557208), (38695, 521496), (39240, 514253), (43458, 464340), (46434, 434580), (57944, 348255), (61912, 325935), (65187, 309560), (69651, 289720), (72430, 278604), (77390, 260748), (86916, 232170), (92868, 217290), (108645, 185736), (116085, 173832), (130374, 154780), (139302, 144860)]