18881252010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{2551}}^1$

素因数の和:2993

約数の個数: 128

約数和(自身を含む): 51154329600

約数和(自身を除く): 32273077590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 347, 395, 474, 694, 711, 790, 1041, 1185, 1422, 1735, 2082, 2133, 2370, 2551, 3123, 3470, 3555, 4266, 5102, 5205, 6246, 7110, 7653, 9369, 10410, 10665, 12755, 15306, 15615, 18738, 21330, 22959, 25510, 27413, 31230, 38265, 45918, 46845, 54826, 68877, 76530, 82239, 93690, 114795, 137065, 137754, 164478, 201529, 229590, 246717, 274130, 344385, 403058, 411195, 493434, 604587, 688770, 740151, 822390, 885197, 1007645, 1209174, 1233585, 1480302, 1770394, 1813761, 2015290, 2467170, 2655591, 3022935, 3627522, 3700755, 4425985, 5311182, 5441283, 6045870, 7401510, 7966773, 8851970, 9068805, 10882566, 13277955, 15933546, 18137610, 23900319, 26555910, 27206415, 39833865, 47800638, 54412830, 69930563, 79667730, 119501595, 139861126, 209791689, 239003190, 349652815, 419583378, 629375067, 699305630, 1048958445, 1258750134, 1888125201, 2097916890, 3146875335, 3776250402, 6293750670, 9440626005, 18881252010]

約数ペア:

[(1, 18881252010), (2, 9440626005), (3, 6293750670), (5, 3776250402), (6, 3146875335), (9, 2097916890), (10, 1888125201), (15, 1258750134), (18, 1048958445), (27, 699305630), (30, 629375067), (45, 419583378), (54, 349652815), (79, 239003190), (90, 209791689), (135, 139861126), (158, 119501595), (237, 79667730), (270, 69930563), (347, 54412830), (395, 47800638), (474, 39833865), (694, 27206415), (711, 26555910), (790, 23900319), (1041, 18137610), (1185, 15933546), (1422, 13277955), (1735, 10882566), (2082, 9068805), (2133, 8851970), (2370, 7966773), (2551, 7401510), (3123, 6045870), (3470, 5441283), (3555, 5311182), (4266, 4425985), (5102, 3700755), (5205, 3627522), (6246, 3022935), (7110, 2655591), (7653, 2467170), (9369, 2015290), (10410, 1813761), (10665, 1770394), (12755, 1480302), (15306, 1233585), (15615, 1209174), (18738, 1007645), (21330, 885197), (22959, 822390), (25510, 740151), (27413, 688770), (31230, 604587), (38265, 493434), (45918, 411195), (46845, 403058), (54826, 344385), (68877, 274130), (76530, 246717), (82239, 229590), (93690, 201529), (114795, 164478), (137065, 137754)]