18891280480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 47795650560

約数和(自身を除く): 28904370080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 127, 152, 160, 167, 190, 254, 293, 304, 334, 380, 508, 586, 608, 635, 668, 760, 835, 1016, 1172, 1270, 1336, 1465, 1520, 1670, 2032, 2344, 2413, 2540, 2672, 2930, 3040, 3173, 3340, 4064, 4688, 4826, 5080, 5344, 5567, 5860, 6346, 6680, 9376, 9652, 10160, 11134, 11720, 12065, 12692, 13360, 15865, 19304, 20320, 21209, 22268, 23440, 24130, 25384, 26720, 27835, 31730, 37211, 38608, 42418, 44536, 46880, 48260, 48931, 50768, 55670, 63460, 74422, 77216, 84836, 89072, 96520, 97862, 101536, 106045, 111340, 126920, 148844, 169672, 178144, 186055, 193040, 195724, 212090, 222680, 244655, 253840, 297688, 339344, 372110, 386080, 391448, 402971, 424180, 445360, 489310, 507680, 595376, 678688, 707009, 744220, 782896, 805942, 848360, 890720, 929689, 978620, 1190752, 1414018, 1488440, 1565792, 1611884, 1696720, 1859378, 1957240, 2014855, 2828036, 2976880, 3223768, 3393440, 3535045, 3718756, 3914480, 4029710, 4648445, 5656072, 5953760, 6214237, 6447536, 7070090, 7437512, 7828960, 8059420, 9296890, 11312144, 12428474, 12895072, 14140180, 14875024, 16118840, 18593780, 22624288, 24856948, 28280360, 29750048, 31071185, 32237680, 37187560, 49713896, 56560720, 62142370, 64475360, 74375120, 99427792, 113121440, 118070503, 124284740, 148750240, 198855584, 236141006, 248569480, 472282012, 497138960, 590352515, 944564024, 994277920, 1180705030, 1889128048, 2361410060, 3778256096, 4722820120, 9445640240, 18891280480]

約数ペア:

[(1, 18891280480), (2, 9445640240), (4, 4722820120), (5, 3778256096), (8, 2361410060), (10, 1889128048), (16, 1180705030), (19, 994277920), (20, 944564024), (32, 590352515), (38, 497138960), (40, 472282012), (76, 248569480), (80, 236141006), (95, 198855584), (127, 148750240), (152, 124284740), (160, 118070503), (167, 113121440), (190, 99427792), (254, 74375120), (293, 64475360), (304, 62142370), (334, 56560720), (380, 49713896), (508, 37187560), (586, 32237680), (608, 31071185), (635, 29750048), (668, 28280360), (760, 24856948), (835, 22624288), (1016, 18593780), (1172, 16118840), (1270, 14875024), (1336, 14140180), (1465, 12895072), (1520, 12428474), (1670, 11312144), (2032, 9296890), (2344, 8059420), (2413, 7828960), (2540, 7437512), (2672, 7070090), (2930, 6447536), (3040, 6214237), (3173, 5953760), (3340, 5656072), (4064, 4648445), (4688, 4029710), (4826, 3914480), (5080, 3718756), (5344, 3535045), (5567, 3393440), (5860, 3223768), (6346, 2976880), (6680, 2828036), (9376, 2014855), (9652, 1957240), (10160, 1859378), (11134, 1696720), (11720, 1611884), (12065, 1565792), (12692, 1488440), (13360, 1414018), (15865, 1190752), (19304, 978620), (20320, 929689), (21209, 890720), (22268, 848360), (23440, 805942), (24130, 782896), (25384, 744220), (26720, 707009), (27835, 678688), (31730, 595376), (37211, 507680), (38608, 489310), (42418, 445360), (44536, 424180), (46880, 402971), (48260, 391448), (48931, 386080), (50768, 372110), (55670, 339344), (63460, 297688), (74422, 253840), (77216, 244655), (84836, 222680), (89072, 212090), (96520, 195724), (97862, 193040), (101536, 186055), (106045, 178144), (111340, 169672), (126920, 148844)]